1 dnl Copyright © 1997-2019, The AROS Development Team. All rights reserved.
4 dnl Desc: Autoconf source for target compiler feature detection
7 # Note: After file changes, generate features anew and commit _both_ files.
8 -------------------------
12 AC_CONFIG_AUX_DIR(../scripts/autoconf)
14 AROS_BUILDDIR=`${PWDCMD-pwd}`
15 AROS_BUILDDIR_UNIX=${PWD}
17 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
20 NOLINKFLAGS="-nostdlib -nostartfiles"
22 # The first step is to find the binaries.
25 AC_MSG_CHECKING([target config location])
26 AC_ARG_WITH(config-dir,AC_HELP_STRING([--with-config-dir=VERSION],[Location of generated target config files]),targetcfg_dir="$withval",targetcfg_dir="")
27 if test "$targetcfg_dir" = ""; then
28 AC_MSG_ERROR([missing config directory!])
30 aros_targetcfg_dir="$targetcfg_dir"
32 AC_MSG_RESULT($aros_targetcfg_dir)
34 #-----------------------------------------------------------------------------
36 # Check if the target compiler supports some features:
49 # -finline-small-functions
52 # -fomit-frame-pointer
55 # -finstrument-functions
60 # -fno-builtin-vsnprintf
63 # -fasynchronous-unwind-tables
75 AC_MSG_CHECKING([whether ${CC} accepts -fexceptions])
77 AC_TRY_COMPILE(,, aros_exceptions="yes", aros_exceptions="no")
78 AC_MSG_RESULT($aros_exceptions)
79 if test "x-$aros_exceptions" = "x-yes" ; then
80 aros_cflags_exceptions=-fexceptions
81 aros_cflags_noexceptions=-fno-exceptions
84 AC_MSG_CHECKING([whether ${CC} accepts -ffast-math])
86 AC_TRY_COMPILE(,, aros_fast_math="yes", aros_fast_math="no")
87 AC_MSG_RESULT($aros_fast_math)
88 if test "x-$aros_fast_math" = "x-yes" ; then
89 aros_cflags_fast_math=-ffast-math
92 AC_MSG_CHECKING([whether ${CC} accepts -fno-math-errno])
93 CFLAGS=-fno-math-errno
94 AC_TRY_COMPILE(,, aros_no_math_errno="yes", aros_no_math_errno="no")
95 AC_MSG_RESULT($aros_no_math_errno)
96 if test "x-$aros_no_math_errno" = "x-yes" ; then
97 aros_cflags_no_math_errno=-fno-math-errno
100 AC_MSG_CHECKING([whether ${CC} accepts -fno-trapping-math])
101 CFLAGS=-fno-trapping-math
102 AC_TRY_COMPILE(,, aros_no_trapping_math="yes", aros_no_trapping_math="no")
103 AC_MSG_RESULT($aros_no_trapping_math)
104 if test "x-$aros_no_trapping_math" = "x-yes" ; then
105 aros_cflags_no_trapping_math=-fno-trapping-math
108 AC_MSG_CHECKING([whether ${CC} accepts -flto])
110 AC_TRY_COMPILE(,, aros_lto="yes", aros_lto="no")
111 AC_MSG_RESULT($aros_lto)
112 if test "x-$aros_lto" = "x-yes" ; then
113 aros_cflags_lto=-flto
114 aros_cflags_nolto=-fno-lto
116 AC_MSG_CHECKING([whether ${CC} accepts -fwhole-program])
117 CFLAGS=-fwhole-program
118 AC_TRY_COMPILE(,, aros_whole_program="yes", aros_whole_program="no")
119 AC_MSG_RESULT($aros_whole_program)
120 if test "x-$aros_whole_program" = "x-yes" ; then
121 aros_cflags_whole_program=-fwhole-program
124 AC_MSG_CHECKING([whether ${CC} accepts -floop-block])
126 AC_TRY_COMPILE(,, aros_loop_block="yes", aros_loop_block="no")
127 AC_MSG_RESULT($aros_loop_block)
128 if test "x-$aros_loop_block" = "x-yes" ; then
129 aros_cflags_loop_block=-floop-block
132 AC_MSG_CHECKING([whether ${CC} accepts -floop-interchange])
133 CFLAGS=-floop-interchange
134 AC_TRY_COMPILE(,, aros_loop_interchange="yes", aros_loop_interchange="no")
135 AC_MSG_RESULT($aros_loop_interchange)
136 if test "x-$aros_loop_interchange" = "x-yes" ; then
137 aros_cflags_loop_interchange=-floop-interchange
140 AC_MSG_CHECKING([whether ${CC} accepts -floop-strip-mine])
141 CFLAGS=-floop-strip-mine
142 AC_TRY_COMPILE(,, aros_loop_strip_mine="yes", aros_loop_strip_mine="no")
143 AC_MSG_RESULT($aros_loop_strip_mine)
144 if test "x-$aros_loop_strip_mine" = "x-yes" ; then
145 aros_cflags_loop_strip_mine=-floop-strip-mine
149 AC_MSG_CHECKING([whether ${CC} accepts -fpeel-loops])
151 AC_TRY_COMPILE(,, aros_peel_loops="yes", aros_peel_loops="no")
152 AC_MSG_RESULT($aros_peel_loops)
153 if test "x-$aros_peel_loops" = "x-yes" ; then
154 aros_cflags_peel_loops=-fpeel-loops
157 AC_MSG_CHECKING([whether ${CC} accepts -funroll-loops])
158 CFLAGS=-funroll-loops
159 AC_TRY_COMPILE(,, aros_unroll_loops="yes", aros_unroll_loops="no")
160 AC_MSG_RESULT($aros_unroll_loops)
161 if test "x-$aros_unroll_loops" = "x-yes" ; then
162 aros_cflags_unroll_loops=-funroll-loops
165 AC_MSG_CHECKING([whether ${CC} accepts -fstrict-aliasing])
166 CFLAGS=-fstrict-aliasing
167 AC_TRY_COMPILE(,, aros_strict_aliasing="yes", aros_strict_aliasing="no")
168 AC_MSG_RESULT($aros_strict_aliasing)
169 if test "x-$aros_strict_aliasing" = "x-yes" ; then
170 aros_cflags_strictaliasing=-fstrict-aliasing
171 aros_cflags_nostrictaliasing=-fno-strict-aliasing
174 AC_MSG_CHECKING([whether ${CC} accepts -finline-small-functions])
175 CFLAGS=-finline-small-functions
176 AC_TRY_COMPILE(,, aros_inline_small_functions="yes", aros_inline_small_functions="no")
177 AC_MSG_RESULT($aros_inline_small_functions)
178 if test "x-$aros_inline_small_functions" = "x-yes" ; then
179 aros_cflags_inlinesmallfunctions=-finline-small-functions
180 aros_cflags_noinlinesmallfunctions=-fno-inline-small-functions
183 AC_MSG_CHECKING([whether ${CC} accepts -fipa-cp])
185 AC_TRY_COMPILE(,, aros_ipa_cp="yes", aros_ipa_cp="no")
186 AC_MSG_RESULT($aros_ipa_cp)
187 if test "x-$aros_ipa_cp" = "x-yes" ; then
188 aros_cflags_ipacp=-fipa-cp
189 aros_cflags_noipacp=-fno-ipa-cp
192 AC_MSG_CHECKING([whether ${CC} accepts -fomit-frame-pointer])
193 CFLAGS=-fomit-frame-pointer
194 AC_TRY_COMPILE(,, aros_omit_frame_pointer="yes", aros_omit_frame_pointer="no")
195 AC_MSG_RESULT($aros_omit_frame_pointer)
196 if test "x-$aros_omit_frame_pointer" = "x-yes" ; then
197 aros_cflags_omitfp=-fomit-frame-pointer
198 aros_cflags_noomitfp=-fno-omit-frame-pointer
201 AC_MSG_CHECKING([whether ${CC} accepts -fprofile-arcs])
202 CFLAGS=-fprofile-arcs
203 AC_TRY_COMPILE(,, aros_profile_arcs="yes", aros_profile_arcs="no")
204 AC_MSG_RESULT($aros_profile_arcs)
205 if test "x-$aros_profile_arcs" = "x-yes" ; then
206 aros_cflags_profilearcs=-fprofile-arcs
207 aros_cflags_noprofilearcs=-fno-profile-arcs
210 AC_MSG_CHECKING([whether ${CC} accepts -ftest-coverage])
211 CFLAGS=-ftest-coverage
212 AC_TRY_COMPILE(,, aros_test_coverage="yes", aros_test_coverage="no")
213 AC_MSG_RESULT($aros_test_coverage)
214 if test "x-$aros_test_coverage" = "x-yes" ; then
215 aros_cflags_testcoverage=-ftest-coverage
216 aros_cflags_notestcoverage=-fno-test-coverage
219 AC_MSG_CHECKING([whether ${CC} accepts -finstrument-functions])
220 CFLAGS=-finstrument-functions
221 AC_TRY_COMPILE(,, aros_instrument_functions="yes", aros_instrument_functions="no")
222 AC_MSG_RESULT($aros_instrument_functions)
223 if test "x-$aros_instrument_functions" = "x-yes" ; then
224 aros_cflags_instrfuncs=-finstrument-functions
225 aros_cflags_noinstrfuncs=-fno-instrument-functions
228 AC_MSG_CHECKING([whether ${CC} accepts -faligned-new])
230 AC_TRY_COMPILE(,, aros_aligned_new="yes", aros_aligned_new="no")
231 AC_MSG_RESULT($aros_aligned_new)
232 if test "x-$aros_aligned_new" = "x-yes" ; then
233 aros_cflags_alignednew=-faligned-new
234 aros_cflags_noalignednew=-fno-aligned-new
237 AC_MSG_CHECKING([whether ${CC} accepts -fbuiltin])
239 AC_TRY_COMPILE(,, aros_builtin="yes", aros_builtin="no")
240 AC_MSG_RESULT($aros_builtin)
241 if test "x-$aros_builtin" = "x-yes" ; then
242 aros_cflags_builtin=-fbuiltin
243 aros_cflags_no_builtin=-fno-builtin
246 AC_MSG_CHECKING([whether ${CC} accepts -fno-builtin-floor])
247 CFLAGS=-fno-builtin-floor
248 AC_TRY_COMPILE(,, aros_no_builtin_floor="yes", aros_no_builtin_floor="no")
249 AC_MSG_RESULT($aros_no_builtin_floor)
250 if test "x-$aros_no_builtin_floor" = "x-yes" ; then
251 aros_cflags_no_builtin_floor=-fno-builtin-floor
254 AC_MSG_CHECKING([whether ${CC} accepts -fno-builtin-vsnprintf])
255 CFLAGS=-fno-builtin-vsnprintf
256 AC_TRY_COMPILE(,, aros_no_builtin_vsnprintf="yes", aros_no_builtin_vsnprintf="no")
257 AC_MSG_RESULT($aros_no_builtin_vsnprintf)
258 if test "x-$aros_no_builtin_vsnprintf" = "x-yes" ; then
259 aros_cflags_no_builtin_vsnprintf=-fno-builtin-vsnprintf
262 AC_MSG_CHECKING([whether ${CC} accepts -ffreestanding])
263 CFLAGS=-ffreestanding
264 AC_TRY_COMPILE(,, aros_freestanding="yes", aros_freestanding="no")
265 AC_MSG_RESULT($aros_freestanding)
266 if test "x-$aros_freestanding" = "x-yes" ; then
267 aros_cflags_freestanding=-ffreestanding
268 aros_cflags_no_freestanding=-fno-freestanding
271 AC_MSG_CHECKING([whether ${CC} accepts -fasynchronous-unwind-tables])
272 CFLAGS=-fasynchronous-unwind-tables
273 AC_TRY_COMPILE(,, aros_asynchronous_unwind_tables="yes", aros_asynchronous_unwind_tables="no")
274 AC_MSG_RESULT($aros_asynchronous_unwind_tables)
275 if test "x-$aros_asynchronous_unwind_tables" = "x-yes" ; then
276 aros_cflags_asynchronous_unwind_tables=-fasynchronous-unwind-tables
277 aros_cflags_no_asynchronous_unwind_tables=-fno-asynchronous-unwind-tables
280 AC_MSG_CHECKING([whether ${CC} accepts -fvisibility=hidden])
281 CFLAGS=-fvisibility=hidden
282 AC_TRY_COMPILE(,, aros_visibility_hidden="yes", aros_visibility_hidden="no")
283 AC_MSG_RESULT($aros_visibility_hidden)
284 if test "x-$aros_visibility_hidden" = "x-yes" ; then
285 aros_cflags_visibility_hidden=-fvisibility=hidden
290 save_cxxflags="$CXXFLAGS"
292 AC_MSG_CHECKING([whether ${CXX} accepts -fpermissive])
293 CXXFLAGS=-fpermissive
294 AC_TRY_COMPILE(,, aros_permissive="yes", aros_permissive="no")
295 AC_MSG_RESULT($aros_permissive)
296 if test "x-$aros_permissive" = "x-yes" ; then
297 aros_cxxflags_permissive=-fpermissive
298 aros_cxxflags_nopermissive=-fno-permissive
301 AC_MSG_CHECKING([whether ${CXX} accepts -frtti])
303 AC_TRY_COMPILE(,, aros_rtti="yes", aros_rtti="no")
304 AC_MSG_RESULT($aros_rtti)
305 if test "x-$aros_rtti" = "x-yes" ; then
306 aros_cxxflags_rtti=-frtti
307 aros_cxxflags_nortti=-fno-rtti
310 CXXFLAGS="$save_cxxflags"
313 # Check for additional C compiler options..
316 #-----------------------------------------------------------------------------
318 # Check if the target compiler supports some include directory options:
320 AC_MSG_CHECKING([whether ${CC} accepts -iquote])
322 AC_TRY_COMPILE(,, has_iquote="yes", has_iquote="no")
323 AC_MSG_RESULT($has_iquote)
324 if test "x-$has_iquote" = "x-yes" ; then
325 aros_cflags_iquote=-iquote
326 aros_cflags_iquote_end=
328 aros_cflags_iquote=-I
329 aros_cflags_iquote_end=-I-
332 AC_MSG_CHECKING([whether ${CC} accepts -isystem])
334 AC_TRY_COMPILE(,, has_isystem="yes", has_isystem="no")
335 AC_MSG_RESULT($has_isystem)
336 if test "x-$has_isystem" = "x-yes" ; then
337 aros_cflags_isystem=-isystem
338 aros_cflags_isystem_end=
340 aros_cflags_isystem=-I
341 aros_cflags_isystem_end=
344 #-----------------------------------------------------------------------------
346 # Check if the target compiler supports some ISA options:
349 AC_MSG_CHECKING([whether ${CC} accepts -mred-zone])
351 AC_TRY_COMPILE(,, aros_no_red_zone="yes", aros_no_red_zone="no")
352 AC_MSG_RESULT($aros_no_red_zone)
353 if test "x-$aros_no_red_zone" = "x-yes" ; then
354 aros_cflags_red_zone=-mred-zone
355 aros_cflags_no_red_zone=-mno-red-zone
358 AC_MSG_CHECKING([whether ${CC} accepts -mms-bitfields])
359 CFLAGS=-mms-bitfields
360 AC_TRY_COMPILE(,, aros_ms_bitfields="yes", aros_ms_bitfields="no")
361 AC_MSG_RESULT($aros_ms_bitfields)
362 if test "x-$aros_ms_bitfields" = "x-yes" ; then
363 aros_cflags_ms_bitfields=-mms-bitfields
364 aros_cflags_no_ms_bitfields=-mno-ms-bitfields
367 CFLAGS="$save_cflags"
369 #-----------------------------------------------------------------------------
371 # Check if the target compiler supports some options used for de-linting:
375 # -Wunused-command-line-argument
376 # -Wunknown-warning-option
377 # -Wunused-but-set-variable
381 # -Wstrict-prototypes
384 # -Wmisleading-indentation
393 # -Wmaybe-uninitialized
394 # -Wimplicit-function-declaration
399 # -Wformat-contains-nul
401 # -Waggressive-loop-optimizations
404 # -Wdiscarded-qualifiers
407 # -Wdiscarded-array-qualifiers
409 # -Wint-to-pointer-cast
410 # -Wpointer-to-int-cast
411 # -Wunused-const-variable
414 # -Wincompatible-pointer-types
416 # -Wlogical-not-parentheses
420 # -Wdeprecated-declarations
424 # -Wunused-local-typedefs
428 # -Wvolatile-register-var
429 # -Wsizeof-pointer-memaccess
431 # -Wformat-zero-length
432 # -Wlto-type-mismatch
433 # -Wtautological-compare
436 # -Wstringop-overflow
437 # -Wformat-truncation
438 # -Wstringop-truncation
439 # -Wshift-negative-value
440 # -Wmissing-field-initializers
441 # -Wimplicit-fallthrough
442 # -Wmissing-prototypes
444 # -Wint-in-bool-context
449 save_cflags="$CFLAGS"
450 AC_MSG_CHECKING([whether ${CC} accepts -Werror])
452 AC_TRY_COMPILE(,, aros_error="yes", aros_error="no")
453 AC_MSG_RESULT($aros_error)
454 if test "x-$aros_error" = "x-yes" ; then
455 aros_warnflags_error=-Werror
456 aros_nowarnflags_error=-Wno-error
459 AC_MSG_CHECKING([whether ${CC} accepts -Wall])
461 AC_TRY_COMPILE(,, aros_all="yes", aros_all="no")
462 AC_MSG_RESULT($aros_all)
463 if test "x-$aros_all" = "x-yes" ; then
464 aros_warnflags_all=-Wall
467 AC_MSG_CHECKING([whether ${CC} accepts -Wrestrict])
469 AC_TRY_COMPILE(,, aros_restrict="yes", aros_restrict="no")
470 AC_MSG_RESULT($aros_restrict)
471 if test "x-$aros_restrict" = "x-yes" ; then
472 aros_warnflags_restrict=-Wrestrict
473 aros_nowarnflags_restrict=-Wno-restrict
476 AC_MSG_CHECKING([whether ${CC} accepts -Wunused-command-line-argument])
477 CFLAGS=-Wunused-command-line-argument
478 AC_TRY_COMPILE(,, aros_unused_command_line_argument="yes", aros_unused_command_line_argument="no")
479 AC_MSG_RESULT($aros_unused_command_line_argument)
480 if test "x-$aros_unused_command_line_argument" = "x-yes" ; then
481 aros_warnflags_unused_command_line_argument=-Wunused-command-line-argument
482 aros_nowarnflags_unused_command_line_argument=-Wno-unused-command-line-argument
485 AC_MSG_CHECKING([whether ${CC} accepts -Wunknown-warning-option])
486 CFLAGS=-Wunknown-warning-option
487 AC_TRY_COMPILE(,, aros_unknown_warning_option="yes", aros_unknown_warning_option="no")
488 AC_MSG_RESULT($aros_unknown_warning_option)
489 if test "x-$aros_unknown_warning_option" = "x-yes" ; then
490 aros_warnflags_unknown_warning_option=-Wunknown-warning-option
491 aros_nowarnflags_unknown_warning_option=-Wno-unknown-warning-option
494 AC_MSG_CHECKING([whether ${CC} accepts -Wunused-but-set-variable])
495 CFLAGS=-Wunused-but-set-variable
496 AC_TRY_COMPILE(,, aros_unused_but_set_variable="yes", aros_unused_but_set_variable="no")
497 AC_MSG_RESULT($aros_unused_but_set_variable)
498 if test "x-$aros_unused_but_set_variable" = "x-yes" ; then
499 aros_warnflags_unused_but_set_variable=-Wunused-but-set-variable
500 aros_nowarnflags_unused_but_set_variable=-Wno-unused-but-set-variable
503 AC_MSG_CHECKING([whether ${CC} accepts -Wstrict-aliasing])
504 CFLAGS=-Wstrict-aliasing
505 AC_TRY_COMPILE(,, aros_strict_aliasing="yes", aros_strict_aliasing="no")
506 AC_MSG_RESULT($aros_strict_aliasing)
507 if test "x-$aros_strict_aliasing" = "x-yes" ; then
508 aros_warnflags_strict_aliasing=-Wstrict-aliasing
509 aros_nowarnflags_strict_aliasing=-Wno-strict-aliasing
512 AC_MSG_CHECKING([whether ${CC} accepts -Warray-bounds])
513 CFLAGS=-Warray-bounds
514 AC_TRY_COMPILE(,, aros_array_bounds="yes", aros_array_bounds="no")
515 AC_MSG_RESULT($aros_array_bounds)
516 if test "x-$aros_array_bounds" = "x-yes" ; then
517 aros_warnflags_array_bounds=-Warray-bounds
518 aros_nowarnflags_array_bounds=-Wno-array-bounds
521 AC_MSG_CHECKING([whether ${CC} accepts -Wenum-compare])
522 CFLAGS=-Wenum-compare
523 AC_TRY_COMPILE(,, aros_enum_compare="yes", aros_enum_compare="no")
524 AC_MSG_RESULT($aros_enum_compare)
525 if test "x-$aros_enum_compare" = "x-yes" ; then
526 aros_warnflags_enum_compare=-Wenum-compare
527 aros_nowarnflags_enum_compare=-Wno-enum-compare
530 AC_MSG_CHECKING([whether ${CC} accepts -Wstrict-prototypes])
531 CFLAGS=-Wstrict-prototypes
532 AC_TRY_COMPILE(,, aros_strict_prototypes="yes", aros_strict_prototypes="no")
533 AC_MSG_RESULT($aros_strict_prototypes)
534 if test "x-$aros_strict_prototypes" = "x-yes" ; then
535 aros_warnflags_strict_prototypes=-Wstrict-prototypes
536 aros_nowarnflags_strict_prototypes=-Wno-strict-prototypes
539 AC_MSG_CHECKING([whether ${CC} accepts -Wstrict-overflow])
540 CFLAGS=-Wstrict-overflow
541 AC_TRY_COMPILE(,, aros_strict_overflow="yes", aros_strict_overflow="no")
542 AC_MSG_RESULT($aros_strict_overflow)
543 if test "x-$aros_strict_overflow" = "x-yes" ; then
544 aros_warnflags_strict_overflow=-Wstrict-overflow
545 aros_nowarnflags_strict_overflow=-Wno-strict-overflow
548 AC_MSG_CHECKING([whether ${CC} accepts -Wformat-security])
549 CFLAGS=-Wformat-security
550 AC_TRY_COMPILE(,, aros_format_security="yes", aros_format_security="no")
551 AC_MSG_RESULT($aros_format_security)
552 if test "x-$aros_format_security" = "x-yes" ; then
553 aros_warnflags_format_security=-Wformat-security
554 aros_nowarnflags_format_security=-Wno-format-security
557 AC_MSG_CHECKING([whether ${CC} accepts -Wmisleading-indentation])
558 CFLAGS=-Wmisleading-indentation
559 AC_TRY_COMPILE(,, aros_misleading_indentation="yes", aros_misleading_indentation="no")
560 AC_MSG_RESULT($aros_misleading_indentation)
561 if test "x-$aros_misleading_indentation" = "x-yes" ; then
562 aros_warnflags_misleading_indentation=-Wmisleading-indentation
563 aros_nowarnflags_misleading_indentation=-Wno-misleading-indentation
566 AC_MSG_CHECKING([whether ${CC} accepts -Wnonnull-compare])
567 CFLAGS=-Wnonnull-compare
568 AC_TRY_COMPILE(,, aros_nonnull_compare="yes", aros_nonnull_compare="no")
569 AC_MSG_RESULT($aros_nonnull_compare)
570 if test "x-$aros_nonnull_compare" = "x-yes" ; then
571 aros_warnflags_nonnull_compare=-Wnonnull-compare
572 aros_nowarnflags_nonnull_compare=-Wno-nonnull-compare
575 AC_MSG_CHECKING([whether ${CC} accepts -Wunused])
577 AC_TRY_COMPILE(,, aros_unused="yes", aros_unused="no")
578 AC_MSG_RESULT($aros_unused)
579 if test "x-$aros_unused" = "x-yes" ; then
580 aros_warnflags_unused=-Wunused
581 aros_nowarnflags_unused=-Wno-unused
584 AC_MSG_CHECKING([whether ${CC} accepts -Wunused-label])
585 CFLAGS=-Wunused-label
586 AC_TRY_COMPILE(,, aros_unused_label="yes", aros_unused_label="no")
587 AC_MSG_RESULT($aros_unused_label)
588 if test "x-$aros_unused_label" = "x-yes" ; then
589 aros_warnflags_unused_label=-Wunused-label
590 aros_nowarnflags_unused_label=-Wno-unused-label
593 AC_MSG_CHECKING([whether ${CC} accepts -Wunused-value])
594 CFLAGS=-Wunused-value
595 AC_TRY_COMPILE(,, aros_unused_value="yes", aros_unused_value="no")
596 AC_MSG_RESULT($aros_unused_value)
597 if test "x-$aros_unused_value" = "x-yes" ; then
598 aros_warnflags_unused_value=-Wunused-value
599 aros_nowarnflags_unused_value=-Wno-unused-value
602 AC_MSG_CHECKING([whether ${CC} accepts -Wunused-variable])
603 CFLAGS=-Wunused-variable
604 AC_TRY_COMPILE(,, aros_unused_variable="yes", aros_unused_variable="no")
605 AC_MSG_RESULT($aros_unused_variable)
606 if test "x-$aros_unused_variable" = "x-yes" ; then
607 aros_warnflags_unused_variable=-Wunused-variable
608 aros_nowarnflags_unused_variable=-Wno-unused-variable
611 AC_MSG_CHECKING([whether ${CC} accepts -Wunused-function])
612 CFLAGS=-Wunused-function
613 AC_TRY_COMPILE(,, aros_unused_function="yes", aros_unused_function="no")
614 AC_MSG_RESULT($aros_unused_function)
615 if test "x-$aros_unused_function" = "x-yes" ; then
616 aros_warnflags_unused_function=-Wunused-function
617 aros_nowarnflags_unused_function=-Wno-unused-function
620 AC_MSG_CHECKING([whether ${CC} accepts -Wunused-parameter])
621 CFLAGS=-Wunused-parameter
622 AC_TRY_COMPILE(,, aros_unused_parameter="yes", aros_unused_parameter="no")
623 AC_MSG_RESULT($aros_unused_parameter)
624 if test "x-$aros_unused_parameter" = "x-yes" ; then
625 aros_warnflags_unused_parameter=-Wunused-parameter
626 aros_nowarnflags_unused_parameter=-Wno-unused-parameter
629 AC_MSG_CHECKING([whether ${CC} accepts -Wuninitialized])
630 CFLAGS=-Wuninitialized
631 AC_TRY_COMPILE(,, aros_uninitialized="yes", aros_uninitialized="no")
632 AC_MSG_RESULT($aros_uninitialized)
633 if test "x-$aros_uninitialized" = "x-yes" ; then
634 aros_warnflags_uninitialized=-Wuninitialized
635 aros_nowarnflags_uninitialized=-Wno-uninitialized
638 AC_MSG_CHECKING([whether ${CC} accepts -Wmaybe-uninitialized])
639 CFLAGS=-Wmaybe-uninitialized
640 AC_TRY_COMPILE(,, aros_maybe_uninitialized="yes", aros_maybe_uninitialized="no")
641 AC_MSG_RESULT($aros_maybe_uninitialized)
642 if test "x-$aros_maybe_uninitialized" = "x-yes" ; then
643 aros_warnflags_maybe_uninitialized=-Wmaybe-uninitialized
644 aros_nowarnflags_maybe_uninitialized=-Wno-maybe-uninitialized
646 aros_warnflags_maybe_uninitialized=$aros_warnflags_uninitialized
647 aros_nowarnflags_maybe_uninitialized=$aros_nowarnflags_uninitialized
650 AC_MSG_CHECKING([whether ${CC} accepts -Wimplicit-function-declaration])
651 CFLAGS=-Wimplicit-function-declaration
652 AC_TRY_COMPILE(,, aros_implicit_function_declaration="yes", aros_implicit_function_declaration="no")
653 AC_MSG_RESULT($aros_implicit_function_declaration)
654 if test "x-$aros_implicit_function_declaration" = "x-yes" ; then
655 aros_warnflags_implicit_function_declaration=-Wimplicit-function-declaration
656 aros_nowarnflags_implicit_function_declaration=-Wno-implicit-function-declaration
659 AC_MSG_CHECKING([whether ${CC} accepts -Wformat])
661 AC_TRY_COMPILE(,, aros_format="yes", aros_format="no")
662 AC_MSG_RESULT($aros_format)
663 if test "x-$aros_format" = "x-yes" ; then
664 aros_warnflags_format=-Wformat
665 aros_nowarnflags_format=-Wno-format
668 AC_MSG_CHECKING([whether ${CC} accepts -Wparentheses])
670 AC_TRY_COMPILE(,, aros_parentheses="yes", aros_parentheses="no")
671 AC_MSG_RESULT($aros_parentheses)
672 if test "x-$aros_parentheses" = "x-yes" ; then
673 aros_warnflags_parentheses=-Wparentheses
674 aros_nowarnflags_parentheses=-Wno-parentheses
677 AC_MSG_CHECKING([whether ${CC} accepts -Wchar-subscripts])
678 CFLAGS=-Wchar-subscripts
679 AC_TRY_COMPILE(,, aros_char_subscripts="yes", aros_char_subscripts="no")
680 AC_MSG_RESULT($aros_char_subscripts)
681 if test "x-$aros_char_subscripts" = "x-yes" ; then
682 aros_warnflags_char_subscripts=-Wchar-subscripts
683 aros_nowarnflags_char_subscripts=-Wno-char-subscripts
686 AC_MSG_CHECKING([whether ${CC} accepts -Wendif-labels])
687 CFLAGS=-Wendif-labels
688 AC_TRY_COMPILE(,, aros_endif_labels="yes", aros_endif_labels="no")
689 AC_MSG_RESULT($aros_endif_labels)
690 if test "x-$aros_endif_labels" = "x-yes" ; then
691 aros_warnflags_endif_labels=-Wendif-labels
692 aros_nowarnflags_endif_labels=-Wno-endif-labels
695 AC_MSG_CHECKING([whether ${CC} accepts -Wformat-contains-nul])
696 CFLAGS=-Wformat-contains-nul
697 AC_TRY_COMPILE(,, aros_format_contains_nul="yes", aros_format_contains_nul="no")
698 AC_MSG_RESULT($aros_format_contains_nul)
699 if test "x-$aros_format_contains_nul" = "x-yes" ; then
700 aros_warnflags_format_contains_nul=-Wformat-contains-nul
701 aros_nowarnflags_format_contains_nul=-Wno-format-contains-nul
704 AC_MSG_CHECKING([whether ${CC} accepts -Wimplicit-int])
705 CFLAGS=-Wimplicit-int
706 AC_TRY_COMPILE(,, aros_implicit_int="yes", aros_implicit_int="no")
707 AC_MSG_RESULT($aros_implicit_int)
708 if test "x-$aros_implicit_int" = "x-yes" ; then
709 aros_warnflags_implicit_int=-Wimplicit-int
710 aros_nowarnflags_implicit_int=-Wno-implicit-int
713 AC_MSG_CHECKING([whether ${CC} accepts -Waggressive-loop-optimizations])
714 CFLAGS=-Waggressive-loop-optimizations
715 AC_TRY_COMPILE(,, aros_aggressive_loop_optimizations="yes", aros_aggressive_loop_optimizations="no")
716 AC_MSG_RESULT($aros_aggressive_loop_optimizations)
717 if test "x-$aros_aggressive_loop_optimizations" = "x-yes" ; then
718 aros_warnflags_aggressive_loop_optimizations=-Waggressive-loop-optimizations
719 aros_nowarnflags_aggressive_loop_optimizations=-Wno-aggressive-loop-optimizations
722 AC_MSG_CHECKING([whether ${CC} accepts -Wcpp])
724 AC_TRY_COMPILE(,, aros_cpp="yes", aros_cpp="no")
725 AC_MSG_RESULT($aros_cpp)
726 if test "x-$aros_cpp" = "x-yes" ; then
727 aros_warnflags_cpp=-Wcpp
728 aros_nowarnflags_cpp=-Wno-cpp
731 AC_MSG_CHECKING([whether ${CC} accepts -Wswitch])
733 AC_TRY_COMPILE(,, aros_switch="yes", aros_switch="no")
734 AC_MSG_RESULT($aros_switch)
735 if test "x-$aros_switch" = "x-yes" ; then
736 aros_warnflags_switch=-Wswitch
737 aros_nowarnflags_switch=-Wno-switch
740 AC_MSG_CHECKING([whether ${CC} accepts -Wdiscarded-qualifiers])
741 CFLAGS=-Wdiscarded-qualifiers
742 AC_TRY_COMPILE(,, aros_discarded_qualifiers="yes", aros_discarded_qualifiers="no")
743 AC_MSG_RESULT($aros_discarded_qualifiers)
744 if test "x-$aros_discarded_qualifiers" = "x-yes" ; then
745 aros_warnflags_discarded_qualifiers=-Wdiscarded-qualifiers
746 aros_nowarnflags_discarded_qualifiers=-Wno-discarded-qualifiers
749 AC_MSG_CHECKING([whether ${CC} accepts -Wsequence-point])
750 CFLAGS=-Wsequence-point
751 AC_TRY_COMPILE(,, aros_sequence_point="yes", aros_sequence_point="no")
752 AC_MSG_RESULT($aros_sequence_point)
753 if test "x-$aros_sequence_point" = "x-yes" ; then
754 aros_warnflags_sequence_point=-Wsequence-point
755 aros_nowarnflags_sequence_point=-Wno-sequence-point
758 AC_MSG_CHECKING([whether ${CC} accepts -Wunknown-pragmas])
759 CFLAGS=-Wunknown-pragmas
760 AC_TRY_COMPILE(,, aros_unknown_pragmas="yes", aros_unknown_pragmas="no")
761 AC_MSG_RESULT($aros_unknown_pragmas)
762 if test "x-$aros_unknown_pragmas" = "x-yes" ; then
763 aros_warnflags_unknown_pragmas=-Wunknown-pragmas
764 aros_nowarnflags_unknown_pragmas=-Wno-unknown-pragmas
767 AC_MSG_CHECKING([whether ${CC} accepts -Wdiscarded-array-qualifiers])
768 CFLAGS=-Wdiscarded-array-qualifiers
769 AC_TRY_COMPILE(,, aros_discarded_array_qualifiers="yes", aros_discarded_array_qualifiers="no")
770 AC_MSG_RESULT($aros_discarded_array_qualifiers)
771 if test "x-$aros_discarded_array_qualifiers" = "x-yes" ; then
772 aros_warnflags_discarded_array_qualifiers=-Wdiscarded-array-qualifiers
773 aros_nowarnflags_discarded_array_qualifiers=-Wno-discarded-array-qualifiers
776 AC_MSG_CHECKING([whether ${CC} accepts -Wint-conversion])
777 CFLAGS=-Wint-conversion
778 AC_TRY_COMPILE(,, aros_int_conversion="yes", aros_int_conversion="no")
779 AC_MSG_RESULT($aros_int_conversion)
780 if test "x-$aros_int_conversion" = "x-yes" ; then
781 aros_warnflags_int_conversion=-Wint-conversion
782 aros_nowarnflags_int_conversion=-Wno-int-conversion
785 AC_MSG_CHECKING([whether ${CC} accepts -Wint-to-pointer-cast])
786 CFLAGS=-Wint-to-pointer-cast
787 AC_TRY_COMPILE(,, aros_int_to_pointer_cast="yes", aros_int_to_pointer_cast="no")
788 AC_MSG_RESULT($aros_int_to_pointer_cast)
789 if test "x-$aros_int_to_pointer_cast" = "x-yes" ; then
790 aros_warnflags_int_to_pointer_cast=-Wint-to-pointer-cast
791 aros_nowarnflags_int_to_pointer_cast=-Wno-int-to-pointer-cast
794 AC_MSG_CHECKING([whether ${CC} accepts -Wpointer-to-int-cast])
795 CFLAGS=-Wpointer-to-int-cast
796 AC_TRY_COMPILE(,, aros_pointer_to_int_cast="yes", aros_pointer_to_int_cast="no")
797 AC_MSG_RESULT($aros_pointer_to_int_cast)
798 if test "x-$aros_pointer_to_int_cast" = "x-yes" ; then
799 aros_warnflags_pointer_to_int_cast=-Wpointer-to-int-cast
800 aros_nowarnflags_pointer_to_int_cast=-Wno-pointer-to-int-cast
803 AC_MSG_CHECKING([whether ${CC} accepts -Wunused-const-variable])
804 CFLAGS=-Wunused-const-variable
805 AC_TRY_COMPILE(,, aros_unused_const_variable="yes", aros_unused_const_variable="no")
806 AC_MSG_RESULT($aros_unused_const_variable)
807 if test "x-$aros_unused_const_variable" = "x-yes" ; then
808 aros_warnflags_unused_const_variable=-Wunused-const-variable
809 aros_nowarnflags_unused_const_variable=-Wno-unused-const-variable
812 AC_MSG_CHECKING([whether ${CC} accepts -Wwrite-strings])
813 CFLAGS=-Wwrite-strings
814 AC_TRY_COMPILE(,, aros_write_strings="yes", aros_write_strings="no")
815 AC_MSG_RESULT($aros_write_strings)
816 if test "x-$aros_write_strings" = "x-yes" ; then
817 aros_warnflags_write_strings=-Wwrite-strings
818 aros_nowarnflags_write_strings=-Wno-write-strings
821 AC_MSG_CHECKING([whether ${CC} accepts -Wcomment])
823 AC_TRY_COMPILE(,, aros_comment="yes", aros_comment="no")
824 AC_MSG_RESULT($aros_comment)
825 if test "x-$aros_comment" = "x-yes" ; then
826 aros_warnflags_comment=-Wcomment
827 aros_nowarnflags_comment=-Wno-comment
830 AC_MSG_CHECKING([whether ${CC} accepts -Wincompatible-pointer-types])
831 CFLAGS=-Wincompatible-pointer-types
832 AC_TRY_COMPILE(,, aros_incompatible_pointer_types="yes", aros_incompatible_pointer_types="no")
833 AC_MSG_RESULT($aros_incompatible_pointer_types)
834 if test "x-$aros_incompatible_pointer_types" = "x-yes" ; then
835 aros_warnflags_incompatible_pointer_types=-Wincompatible-pointer-types
836 aros_nowarnflags_incompatible_pointer_types=-Wno-incompatible-pointer-types
839 AC_MSG_CHECKING([whether ${CC} accepts -Wbool-compare])
840 CFLAGS=-Wbool-compare
841 AC_TRY_COMPILE(,, aros_bool_compare="yes", aros_bool_compare="no")
842 AC_MSG_RESULT($aros_bool_compare)
843 if test "x-$aros_bool_compare" = "x-yes" ; then
844 aros_warnflags_bool_compare=-Wbool-compare
845 aros_nowarnflags_bool_compare=-Wno-bool-compare
848 AC_MSG_CHECKING([whether ${CC} accepts -Wlogical-not-parentheses])
849 CFLAGS=-Wlogical-not-parentheses
850 AC_TRY_COMPILE(,, aros_logical_not_parentheses="yes", aros_logical_not_parentheses="no")
851 AC_MSG_RESULT($aros_logical_not_parentheses)
852 if test "x-$aros_logical_not_parentheses" = "x-yes" ; then
853 aros_warnflags_logical_not_parentheses=-Wlogical-not-parentheses
854 aros_nowarnflags_logical_not_parentheses=-Wno-logical-not-parentheses
857 AC_MSG_CHECKING([whether ${CC} accepts -Wpointer-sign])
858 CFLAGS=-Wpointer-sign
859 AC_TRY_COMPILE(,, aros_pointer_sign="yes", aros_pointer_sign="no")
860 AC_MSG_RESULT($aros_pointer_sign)
861 if test "x-$aros_pointer_sign" = "x-yes" ; then
862 aros_warnflags_pointer_sign=-Wpointer-sign
863 aros_nowarnflags_pointer_sign=-Wno-pointer-sign
866 AC_MSG_CHECKING([whether ${CC} accepts -Wshift-overflow])
867 CFLAGS=-Wshift-overflow
868 AC_TRY_COMPILE(,, aros_shift_overflow="yes", aros_shift_overflow="no")
869 AC_MSG_RESULT($aros_shift_overflow)
870 if test "x-$aros_shift_overflow" = "x-yes" ; then
871 aros_warnflags_shift_overflow=-Wshift-overflow
872 aros_nowarnflags_shift_overflow=-Wno-shift-overflow
875 AC_MSG_CHECKING([whether ${CC} accepts -Wframe-address])
876 CFLAGS=-Wframe-address
877 AC_TRY_COMPILE(,, aros_frame_address="yes", aros_frame_address="no")
878 AC_MSG_RESULT($aros_frame_address)
879 if test "x-$aros_frame_address" = "x-yes" ; then
880 aros_warnflags_frame_address=-Wframe-address
881 aros_nowarnflags_frame_address=-Wno-frame-address
884 AC_MSG_CHECKING([whether ${CC} accepts -Wdeprecated-declarations])
885 CFLAGS=-Wdeprecated-declarations
886 AC_TRY_COMPILE(,, aros_deprecated_declarations="yes", aros_deprecated_declarations="no")
887 AC_MSG_RESULT($aros_deprecated_declarations)
888 if test "x-$aros_deprecated_declarations" = "x-yes" ; then
889 aros_warnflags_deprecated_declarations=-Wdeprecated-declarations
890 aros_nowarnflags_deprecated_declarations=-Wno-deprecated-declarations
893 AC_MSG_CHECKING([whether ${CC} accepts -Wsign-compare])
894 CFLAGS=-Wsign-compare
895 AC_TRY_COMPILE(,, aros_sign_compare="yes", aros_sign_compare="no")
896 AC_MSG_RESULT($aros_sign_compare)
897 if test "x-$aros_sign_compare" = "x-yes" ; then
898 aros_warnflags_sign_compare=-Wsign-compare
899 aros_nowarnflags_sign_compare=-Wno-sign-compare
902 AC_MSG_CHECKING([whether ${CC} accepts -Wattributes])
904 AC_TRY_COMPILE(,, aros_attributes="yes", aros_attributes="no")
905 AC_MSG_RESULT($aros_attributes)
906 if test "x-$aros_attributes" = "x-yes" ; then
907 aros_warnflags_attributes=-Wattributes
908 aros_nowarnflags_attributes=-Wno-attributes
911 AC_MSG_CHECKING([whether ${CC} accepts -Woverflow])
913 AC_TRY_COMPILE(,, aros_overflow="yes", aros_overflow="no")
914 AC_MSG_RESULT($aros_overflow)
915 if test "x-$aros_overflow" = "x-yes" ; then
916 aros_warnflags_overflow=-Woverflow
917 aros_nowarnflags_overflow=-Wno-overflow
920 AC_MSG_CHECKING([whether ${CC} accepts -Wunused-local-typedefs])
921 CFLAGS=-Wunused-local-typedefs
922 AC_TRY_COMPILE(,, aros_unused_local_typedefs="yes", aros_unused_local_typedefs="no")
923 AC_MSG_RESULT($aros_unused_local_typedefs)
924 if test "x-$aros_unused_local_typedefs" = "x-yes" ; then
925 aros_warnflags_unused_local_typedefs=-Wunused-local-typedefs
926 aros_nowarnflags_unused_local_typedefs=-Wno-unused-local-typedefs
929 AC_MSG_CHECKING([whether ${CC} accepts -Wmissing-braces])
930 CFLAGS=-Wmissing-braces
931 AC_TRY_COMPILE(,, aros_missing_braces="yes", aros_missing_braces="no")
932 AC_MSG_RESULT($aros_missing_braces)
933 if test "x-$aros_missing_braces" = "x-yes" ; then
934 aros_warnflags_missing_braces=-Wmissing-braces
935 aros_nowarnflags_missing_braces=-Wno-missing-braces
938 AC_MSG_CHECKING([whether ${CC} accepts -Wnarrowing])
940 AC_TRY_COMPILE(,, aros_narrowing="yes", aros_narrowing="no")
941 AC_MSG_RESULT($aros_narrowing)
942 if test "x-$aros_narrowing" = "x-yes" ; then
943 aros_warnflags_narrowing=-Wnarrowing
944 aros_nowarnflags_narrowing=-Wno-narrowing
947 AC_MSG_CHECKING([whether ${CC} accepts -Wvolatile-register-var])
948 CFLAGS=-Wvolatile-register-var
949 AC_TRY_COMPILE(,, aros_volatile_register_var="yes", aros_volatile_register_var="no")
950 AC_MSG_RESULT($aros_volatile_register_var)
951 if test "x-$aros_volatile_register_var" = "x-yes" ; then
952 aros_warnflags_volatile_register_var=-Wvolatile-register-var
953 aros_nowarnflags_volatile_register_var=-Wno-volatile-register-var
956 AC_MSG_CHECKING([whether ${CC} accepts -Wsizeof-pointer-memaccess])
957 CFLAGS=-Wsizeof-pointer-memaccess
958 AC_TRY_COMPILE(,, aros_sizeof_pointer_memaccess="yes", aros_sizeof_pointer_memaccess="no")
959 AC_MSG_RESULT($aros_sizeof_pointer_memaccess)
960 if test "x-$aros_sizeof_pointer_memaccess" = "x-yes" ; then
961 aros_warnflags_sizeof_pointer_memaccess=-Wsizeof-pointer-memaccess
962 aros_nowarnflags_sizeof_pointer_memaccess=-Wno-sizeof-pointer-memaccess
965 AC_MSG_CHECKING([whether ${CC} accepts -Wreturn-type])
967 AC_TRY_COMPILE(,, aros_return_type="yes", aros_return_type="no")
968 AC_MSG_RESULT($aros_return_type)
969 if test "x-$aros_return_type" = "x-yes" ; then
970 aros_warnflags_return_type=-Wreturn-type
971 aros_nowarnflags_return_type=-Wno-return-type
974 AC_MSG_CHECKING([whether ${CC} accepts -Wformat-zero-length])
975 CFLAGS=-Wformat-zero-length
976 AC_TRY_COMPILE(,, aros_format_zero_length="yes", aros_format_zero_length="no")
977 AC_MSG_RESULT($aros_format_zero_length)
978 if test "x-$aros_format_zero_length" = "x-yes" ; then
979 aros_warnflags_format_zero_length=-Wformat-zero-length
980 aros_nowarnflags_format_zero_length=-Wno-format-zero-length
983 AC_MSG_CHECKING([whether ${CC} accepts -Wlto-type-mismatch])
984 CFLAGS=-Wlto-type-mismatch
985 AC_TRY_COMPILE(,, aros_lto_type_mismatch="yes", aros_lto_type_mismatch="no")
986 AC_MSG_RESULT($aros_lto_type_mismatch)
987 if test "x-$aros_lto_type_mismatch" = "x-yes" ; then
988 aros_warnflags_lto_type_mismatch=-Wlto-type-mismatch
989 aros_nowarnflags_lto_type_mismatch=-Wno-lto-type-mismatch
992 AC_MSG_CHECKING([whether ${CC} accepts -Wtautological-compare])
993 CFLAGS=-Wtautological-compare
994 AC_TRY_COMPILE(,, aros_tautological_compare="yes", aros_tautological_compare="no")
995 AC_MSG_RESULT($aros_tautological_compare)
996 if test "x-$aros_tautological_compare" = "x-yes" ; then
997 aros_warnflags_tautological_compare=-Wtautological-compare
998 aros_nowarnflags_tautological_compare=-Wno-tautological-compare
1001 AC_MSG_CHECKING([whether ${CC} accepts -Wempty-body])
1003 AC_TRY_COMPILE(,, aros_empty_body="yes", aros_empty_body="no")
1004 AC_MSG_RESULT($aros_empty_body)
1005 if test "x-$aros_empty_body" = "x-yes" ; then
1006 aros_warnflags_empty_body=-Wempty-body
1007 aros_nowarnflags_empty_body=-Wno-empty-body
1010 AC_MSG_CHECKING([whether ${CC} accepts -Wformat-overflow])
1011 CFLAGS=-Wformat-overflow
1012 AC_TRY_COMPILE(,, aros_format_overflow="yes", aros_format_overflow="no")
1013 AC_MSG_RESULT($aros_format_overflow)
1014 if test "x-$aros_format_overflow" = "x-yes" ; then
1015 aros_warnflags_format_overflow=-Wformat-overflow
1016 aros_nowarnflags_format_overflow=-Wno-format-overflow
1019 AC_MSG_CHECKING([whether ${CC} accepts -Wstringop-overflow])
1020 CFLAGS=-Wstringop-overflow
1021 AC_TRY_COMPILE(,, aros_stringop_overflow="yes", aros_stringop_overflow="no")
1022 AC_MSG_RESULT($aros_stringop_overflow)
1023 if test "x-$aros_stringop_overflow" = "x-yes" ; then
1024 aros_warnflags_stringop_overflow=-Wstringop-overflow
1025 aros_nowarnflags_stringop_overflow=-Wno-stringop-overflow
1028 AC_MSG_CHECKING([whether ${CC} accepts -Wformat-truncation])
1029 CFLAGS=-Wformat-truncation
1030 AC_TRY_COMPILE(,, aros_format_truncation="yes", aros_format_truncation="no")
1031 AC_MSG_RESULT($aros_format_truncation)
1032 if test "x-$aros_format_truncation" = "x-yes" ; then
1033 aros_warnflags_format_truncation=-Wformat-truncation
1034 aros_nowarnflags_format_truncation=-Wno-format-truncation
1037 AC_MSG_CHECKING([whether ${CC} accepts -Wstringop-truncation])
1038 CFLAGS=-Wstringop-truncation
1039 AC_TRY_COMPILE(,, aros_stringop_truncation="yes", aros_stringop_truncation="no")
1040 AC_MSG_RESULT($aros_stringop_truncation)
1041 if test "x-$aros_stringop_truncation" = "x-yes" ; then
1042 aros_warnflags_stringop_truncation=-Wstringop-truncation
1043 aros_nowarnflags_stringop_truncation=-Wno-stringop-truncation
1046 AC_MSG_CHECKING([whether ${CC} accepts -Wshift-negative-value])
1047 CFLAGS=-Wshift-negative-value
1048 AC_TRY_COMPILE(,, aros_shift_negative_value="yes", aros_shift_negative_value="no")
1049 AC_MSG_RESULT($aros_shift_negative_value)
1050 if test "x-$aros_shift_negative_value" = "x-yes" ; then
1051 aros_warnflags_shift_negative_value=-Wshift-negative-value
1052 aros_nowarnflags_shift_negative_value=-Wno-shift-negative-value
1055 AC_MSG_CHECKING([whether ${CC} accepts -Wmissing-field-initializers])
1056 CFLAGS=-Wmissing-field-initializers
1057 AC_TRY_COMPILE(,, aros_missing_field_initializers="yes", aros_missing_field_initializers="no")
1058 AC_MSG_RESULT($aros_missing_field_initializers)
1059 if test "x-$aros_missing_field_initializers" = "x-yes" ; then
1060 aros_warnflags_missing_field_initializers=-Wmissing-field-initializers
1061 aros_nowarnflags_missing_field_initializers=-Wno-missing-field-initializers
1064 AC_MSG_CHECKING([whether ${CC} accepts -Wimplicit-fallthrough])
1065 CFLAGS=-Wimplicit-fallthrough
1066 AC_TRY_COMPILE(,, aros_implicit_fallthrough="yes", aros_implicit_fallthrough="no")
1067 AC_MSG_RESULT($aros_implicit_fallthrough)
1068 if test "x-$aros_implicit_fallthrough" = "x-yes" ; then
1069 aros_warnflags_implicit_fallthrough=-Wimplicit-fallthrough
1070 aros_nowarnflags_implicit_fallthrough=-Wno-implicit-fallthrough
1073 AC_MSG_CHECKING([whether ${CC} accepts -Wmissing-prototypes])
1074 CFLAGS=-Wmissing-prototypes
1075 AC_TRY_COMPILE(,, aros_missing_prototypes="yes", aros_missing_prototypes="no")
1076 AC_MSG_RESULT($aros_missing_prototypes)
1077 if test "x-$aros_missing_prototypes" = "x-yes" ; then
1078 aros_warnflags_missing_prototypes=-Wmissing-prototypes
1079 aros_nowarnflags_missing_prototypes=-Wno-missing-prototypes
1082 AC_MSG_CHECKING([whether ${CC} accepts -Wclass-memaccess])
1083 CFLAGS=-Wclass-memaccess
1084 AC_TRY_COMPILE(,, aros_class_memaccess="yes", aros_class_memaccess="no")
1085 AC_MSG_RESULT($aros_class_memaccess)
1086 if test "x-$aros_class_memaccess" = "x-yes" ; then
1087 aros_warnflags_class_memaccess=-Wclass-memaccess
1088 aros_nowarnflags_class_memaccess=-Wno-class-memaccess
1091 AC_MSG_CHECKING([whether ${CC} accepts -Wint-in-bool-context])
1092 CFLAGS=-Wint-in-bool-context
1093 AC_TRY_COMPILE(,, aros_int_in_bool_context="yes", aros_int_in_bool_context="no")
1094 AC_MSG_RESULT($aros_int_in_bool_context)
1095 if test "x-$aros_int_in_bool_context" = "x-yes" ; then
1096 aros_warnflags_int_in_bool_context=-Wint-in-bool-context
1097 aros_nowarnflags_int_in_bool_context=-Wno-int-in-bool-context
1099 CFLAGS="$save_cflags"
1101 # Check the C++ warnings
1103 save_cxxflags="$CXXFLAGS"
1105 AC_MSG_CHECKING([whether ${CXX} accepts -Wconversion-null])
1106 CXXFLAGS=-Wconversion-null
1107 AC_TRY_COMPILE(,, aros_conversion_null="yes", aros_conversion_null="no")
1108 AC_MSG_RESULT($aros_conversion_null)
1109 if test "x-$aros_conversion_null" = "x-yes" ; then
1110 aros_warnflags_conversion_null=-Wconversion-null
1111 aros_nowarnflags_conversion_null=-Wno-conversion-null
1114 CXXFLAGS="$save_cxxflags"
1118 #########################################################
1120 # Now check what we need to use with the toolchain
1122 cat >$AROS_DEVELOPER/include/__testsincdir.h <<_ACEOF
1123 /* Copyright (c) The AROS Dev Team */
1124 #define _TESTINCFOUND
1127 AC_MSG_CHECKING([if we need to use --sysroot])
1128 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1130 #include <__testsincdir.h>
1131 #ifndef _TESTINCFOUND
1132 error: Couldnt find include!
1135 [toolchain_needs_sysroot=no],
1136 [toolchain_needs_sysroot=yes])
1137 AC_MSG_RESULT($toolchain_needs_sysroot)
1139 if test "$toolchain_needs_sysroot" = "yes" ; then
1140 aros_toolchain_sysroot="--sysroot $""(AROS_DEVELOPER)"
1143 #AC_MSG_CHECKING([if we need to use --isysroot])
1144 #AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1146 # (#include <__testsincdir.h>
1147 # #ifndef _TESTINCFOUND
1148 # error: Couldnt find include!
1151 # [toolchain_needs_isysroot=no],
1152 # [toolchain_needs_isysroot=yes])
1153 #AC_MSG_RESULT($toolchain_needs_isysroot)
1155 #if test "$toolchain_needs_isysroot" = "yes" ; then
1156 # aros_toolchain_isysroot="-isysroot $""(AROS_SDK)"
1157 # aros_toolchain_iarchdir="-I $""(AROS_SDK)/$""(AROS_TARGET_CPU)-aros/include"
1159 rm -f $AROS_DEVELOPER/include/__testsincdir.h
1162 # export the feature flags...
1164 AC_SUBST(aros_cflags_exceptions)
1165 AC_SUBST(aros_cflags_noexceptions)
1166 AC_SUBST(aros_cxxflags_permissive)
1167 AC_SUBST(aros_cxxflags_nopermissive)
1168 AC_SUBST(aros_cxxflags_rtti)
1169 AC_SUBST(aros_cxxflags_nortti)
1170 AC_SUBST(aros_cflags_fast_math)
1171 AC_SUBST(aros_cflags_no_math_errno)
1172 AC_SUBST(aros_cflags_no_trapping_math)
1173 AC_SUBST(aros_cflags_lto)
1174 AC_SUBST(aros_cflags_nolto)
1175 AC_SUBST(aros_cflags_whole_program)
1176 AC_SUBST(aros_cflags_loop_block)
1177 AC_SUBST(aros_cflags_loop_interchange)
1178 AC_SUBST(aros_cflags_loop_strip_mine)
1179 AC_SUBST(aros_cflags_peel_loops)
1180 AC_SUBST(aros_cflags_unroll_loops)
1182 AC_SUBST(aros_cflags_strictaliasing)
1183 AC_SUBST(aros_cflags_nostrictaliasing)
1185 AC_SUBST(aros_cflags_inlinesmallfunctions)
1186 AC_SUBST(aros_cflags_noinlinesmallfunctions)
1188 AC_SUBST(aros_cflags_ipacp)
1189 AC_SUBST(aros_cflags_noipacp)
1191 AC_SUBST(aros_cflags_omitfp)
1192 AC_SUBST(aros_cflags_noomitfp)
1194 AC_SUBST(aros_cflags_profilearcs)
1195 AC_SUBST(aros_cflags_noprofilearcs)
1197 AC_SUBST(aros_cflags_testcoverage)
1198 AC_SUBST(aros_cflags_notestcoverage)
1200 AC_SUBST(aros_cflags_instrfuncs)
1201 AC_SUBST(aros_cflags_noinstrfuncs)
1203 AC_SUBST(aros_cflags_alignednew)
1204 AC_SUBST(aros_cflags_noalignednew)
1206 AC_SUBST(aros_cflags_builtin)
1207 AC_SUBST(aros_cflags_no_builtin)
1208 AC_SUBST(aros_cflags_no_builtin_floor)
1209 AC_SUBST(aros_cflags_no_builtin_vsnprintf)
1211 AC_SUBST(aros_cflags_freestanding)
1212 AC_SUBST(aros_cflags_no_freestanding)
1214 AC_SUBST(aros_cflags_asynchronous_unwind_tables)
1215 AC_SUBST(aros_cflags_no_asynchronous_unwind_tables)
1217 AC_SUBST(aros_cflags_visibility_hidden)
1220 AC_SUBST(aros_cflags_isystem)
1221 AC_SUBST(aros_cflags_isystem_end)
1222 AC_SUBST(aros_cflags_iquote)
1223 AC_SUBST(aros_cflags_iquote_end)
1226 # export the feature options...
1228 AC_SUBST(aros_cflags_red_zone)
1229 AC_SUBST(aros_cflags_no_red_zone)
1230 AC_SUBST(aros_cflags_ms_bitfields)
1231 AC_SUBST(aros_cflags_no_ms_bitfields)
1234 # ...and warning flags...
1236 AC_SUBST(aros_warnflags_error)
1237 AC_SUBST(aros_nowarnflags_error)
1238 AC_SUBST(aros_warnflags_all)
1239 AC_SUBST(aros_warnflags_restrict)
1240 AC_SUBST(aros_nowarnflags_restrict)
1241 AC_SUBST(aros_warnflags_unused_command_line_argument)
1242 AC_SUBST(aros_nowarnflags_unused_command_line_argument)
1243 AC_SUBST(aros_warnflags_unknown_warning_option)
1244 AC_SUBST(aros_nowarnflags_unknown_warning_option)
1245 AC_SUBST(aros_warnflags_unused_but_set_variable)
1246 AC_SUBST(aros_nowarnflags_unused_but_set_variable)
1247 AC_SUBST(aros_warnflags_strict_aliasing)
1248 AC_SUBST(aros_nowarnflags_strict_aliasing)
1249 AC_SUBST(aros_warnflags_array_bounds)
1250 AC_SUBST(aros_nowarnflags_array_bounds)
1251 AC_SUBST(aros_warnflags_enum_compare)
1252 AC_SUBST(aros_nowarnflags_enum_compare)
1253 AC_SUBST(aros_warnflags_strict_prototypes)
1254 AC_SUBST(aros_nowarnflags_strict_prototypes)
1255 AC_SUBST(aros_warnflags_strict_overflow)
1256 AC_SUBST(aros_nowarnflags_strict_overflow)
1257 AC_SUBST(aros_warnflags_format_security)
1258 AC_SUBST(aros_nowarnflags_format_security)
1259 AC_SUBST(aros_warnflags_misleading_indentation)
1260 AC_SUBST(aros_nowarnflags_misleading_indentation)
1261 AC_SUBST(aros_warnflags_nonnull_compare)
1262 AC_SUBST(aros_nowarnflags_nonnull_compare)
1263 AC_SUBST(aros_warnflags_unused)
1264 AC_SUBST(aros_nowarnflags_unused)
1265 AC_SUBST(aros_warnflags_unused_label)
1266 AC_SUBST(aros_nowarnflags_unused_label)
1267 AC_SUBST(aros_warnflags_unused_value)
1268 AC_SUBST(aros_nowarnflags_unused_value)
1269 AC_SUBST(aros_warnflags_unused_variable)
1270 AC_SUBST(aros_nowarnflags_unused_variable)
1271 AC_SUBST(aros_warnflags_unused_function)
1272 AC_SUBST(aros_nowarnflags_unused_function)
1273 AC_SUBST(aros_warnflags_unused_parameter)
1274 AC_SUBST(aros_nowarnflags_unused_parameter)
1275 AC_SUBST(aros_warnflags_uninitialized)
1276 AC_SUBST(aros_nowarnflags_uninitialized)
1277 AC_SUBST(aros_warnflags_maybe_uninitialized)
1278 AC_SUBST(aros_nowarnflags_maybe_uninitialized)
1279 AC_SUBST(aros_warnflags_implicit_function_declaration)
1280 AC_SUBST(aros_nowarnflags_implicit_function_declaration)
1281 AC_SUBST(aros_warnflags_format)
1282 AC_SUBST(aros_nowarnflags_format)
1283 AC_SUBST(aros_warnflags_parentheses)
1284 AC_SUBST(aros_nowarnflags_parentheses)
1285 AC_SUBST(aros_warnflags_char_subscripts)
1286 AC_SUBST(aros_nowarnflags_char_subscripts)
1287 AC_SUBST(aros_warnflags_endif_labels)
1288 AC_SUBST(aros_nowarnflags_endif_labels)
1289 AC_SUBST(aros_warnflags_format_contains_nul)
1290 AC_SUBST(aros_nowarnflags_format_contains_nul)
1291 AC_SUBST(aros_warnflags_implicit_int)
1292 AC_SUBST(aros_nowarnflags_implicit_int)
1293 AC_SUBST(aros_warnflags_aggressive_loop_optimizations)
1294 AC_SUBST(aros_nowarnflags_aggressive_loop_optimizations)
1295 AC_SUBST(aros_warnflags_cpp)
1296 AC_SUBST(aros_nowarnflags_cpp)
1297 AC_SUBST(aros_warnflags_switch)
1298 AC_SUBST(aros_nowarnflags_switch)
1299 AC_SUBST(aros_warnflags_discarded_qualifiers)
1300 AC_SUBST(aros_nowarnflags_discarded_qualifiers)
1301 AC_SUBST(aros_warnflags_sequence_point)
1302 AC_SUBST(aros_nowarnflags_sequence_point)
1303 AC_SUBST(aros_warnflags_unknown_pragmas)
1304 AC_SUBST(aros_nowarnflags_unknown_pragmas)
1305 AC_SUBST(aros_warnflags_discarded_array_qualifiers)
1306 AC_SUBST(aros_nowarnflags_discarded_array_qualifiers)
1307 AC_SUBST(aros_warnflags_int_conversion)
1308 AC_SUBST(aros_nowarnflags_int_conversion)
1309 AC_SUBST(aros_warnflags_int_to_pointer_cast)
1310 AC_SUBST(aros_nowarnflags_int_to_pointer_cast)
1311 AC_SUBST(aros_warnflags_pointer_to_int_cast)
1312 AC_SUBST(aros_nowarnflags_pointer_to_int_cast)
1313 AC_SUBST(aros_warnflags_unused_const_variable)
1314 AC_SUBST(aros_nowarnflags_unused_const_variable)
1315 AC_SUBST(aros_warnflags_write_strings)
1316 AC_SUBST(aros_nowarnflags_write_strings)
1317 AC_SUBST(aros_warnflags_comment)
1318 AC_SUBST(aros_nowarnflags_comment)
1319 AC_SUBST(aros_warnflags_incompatible_pointer_types)
1320 AC_SUBST(aros_nowarnflags_incompatible_pointer_types)
1321 AC_SUBST(aros_warnflags_bool_compare)
1322 AC_SUBST(aros_nowarnflags_bool_compare)
1323 AC_SUBST(aros_warnflags_logical_not_parentheses)
1324 AC_SUBST(aros_nowarnflags_logical_not_parentheses)
1325 AC_SUBST(aros_warnflags_pointer_sign)
1326 AC_SUBST(aros_nowarnflags_pointer_sign)
1327 AC_SUBST(aros_warnflags_shift_overflow)
1328 AC_SUBST(aros_nowarnflags_shift_overflow)
1329 AC_SUBST(aros_warnflags_frame_address)
1330 AC_SUBST(aros_nowarnflags_frame_address)
1331 AC_SUBST(aros_warnflags_deprecated_declarations)
1332 AC_SUBST(aros_nowarnflags_deprecated_declarations)
1333 AC_SUBST(aros_warnflags_sign_compare)
1334 AC_SUBST(aros_nowarnflags_sign_compare)
1335 AC_SUBST(aros_warnflags_attributes)
1336 AC_SUBST(aros_nowarnflags_attributes)
1337 AC_SUBST(aros_warnflags_overflow)
1338 AC_SUBST(aros_nowarnflags_overflow)
1339 AC_SUBST(aros_warnflags_unused_local_typedefs)
1340 AC_SUBST(aros_nowarnflags_unused_local_typedefs)
1341 AC_SUBST(aros_warnflags_missing_braces)
1342 AC_SUBST(aros_nowarnflags_missing_braces)
1343 AC_SUBST(aros_warnflags_conversion_null)
1344 AC_SUBST(aros_nowarnflags_conversion_null)
1345 AC_SUBST(aros_warnflags_narrowing)
1346 AC_SUBST(aros_nowarnflags_narrowing)
1347 AC_SUBST(aros_warnflags_volatile_register_var)
1348 AC_SUBST(aros_nowarnflags_volatile_register_var)
1349 AC_SUBST(aros_warnflags_sizeof_pointer_memaccess)
1350 AC_SUBST(aros_nowarnflags_sizeof_pointer_memaccess)
1351 AC_SUBST(aros_warnflags_return_type)
1352 AC_SUBST(aros_nowarnflags_return_type)
1353 AC_SUBST(aros_warnflags_format_zero_length)
1354 AC_SUBST(aros_nowarnflags_format_zero_length)
1355 AC_SUBST(aros_warnflags_lto_type_mismatch)
1356 AC_SUBST(aros_nowarnflags_lto_type_mismatch)
1357 AC_SUBST(aros_warnflags_tautological_compare)
1358 AC_SUBST(aros_nowarnflags_tautological_compare)
1359 AC_SUBST(aros_warnflags_empty_body)
1360 AC_SUBST(aros_nowarnflags_empty_body)
1361 AC_SUBST(aros_warnflags_format_overflow)
1362 AC_SUBST(aros_nowarnflags_format_overflow)
1363 AC_SUBST(aros_warnflags_stringop_overflow)
1364 AC_SUBST(aros_nowarnflags_stringop_overflow)
1365 AC_SUBST(aros_warnflags_format_truncation)
1366 AC_SUBST(aros_nowarnflags_format_truncation)
1367 AC_SUBST(aros_warnflags_stringop_truncation)
1368 AC_SUBST(aros_nowarnflags_stringop_truncation)
1369 AC_SUBST(aros_warnflags_shift_negative_value)
1370 AC_SUBST(aros_nowarnflags_shift_negative_value)
1371 AC_SUBST(aros_warnflags_missing_field_initializers)
1372 AC_SUBST(aros_nowarnflags_missing_field_initializers)
1373 AC_SUBST(aros_warnflags_implicit_fallthrough)
1374 AC_SUBST(aros_nowarnflags_implicit_fallthrough)
1375 AC_SUBST(aros_warnflags_missing_prototypes)
1376 AC_SUBST(aros_nowarnflags_missing_prototypes)
1377 AC_SUBST(aros_warnflags_class_memaccess)
1378 AC_SUBST(aros_nowarnflags_class_memaccess)
1379 AC_SUBST(aros_warnflags_int_in_bool_context)
1380 AC_SUBST(aros_nowarnflags_int_in_bool_context)
1382 # Additional toolchain support ...
1383 AC_SUBST(aros_toolchain_sysroot)
1386 ${aros_targetcfg_dir}/compiler.cfg:compiler.cfg.in