solenv/gbuild/platform/com_GCC_defs.mk

   1 # -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
   2 #
   3 # This file is part of the LibreOffice project.
   4 #
   5 # This Source Code Form is subject to the terms of the Mozilla Public
   6 # License, v. 2.0. If a copy of the MPL was not distributed with this
   7 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8 #
   9
  10 gb_AWK := awk
  11 gb_YACC := bison
  12
  13 gb_CLASSPATHSEP := :
  14 gb_LICENSE := LICENSE
  15 gb_README = README_$(1)
  16
  17 # use CC/CXX if they are nondefaults
  18 ifneq ($(origin CC),default)
  19 gb_CC := $(CC)
  20 gb_GCCP := $(CC)
  21 else
  22 gb_CC := gcc
  23 gb_GCCP := gcc
  24 endif
  25
  26 ifneq ($(origin CXX),default)
  27 gb_CXX := $(CXX)
  28 else
  29 gb_CXX := g++
  30 endif
  31
  32 ifneq ($(origin AR),default)
  33 gb_AR := $(AR)
  34 else
  35 gb_AR := $(shell $(CC) -print-prog-name=ar)
  36 endif
  37
  38 # shell setup (env.vars) for the compiler
  39 gb_COMPILER_SETUP :=
  40
  41 ifneq ($(USE_LD),)
  42 gb_LinkTarget_LDFLAGS += -fuse-ld=$(USE_LD)
  43 endif
  44
  45 ifeq ($(strip $(gb_COMPILEROPTFLAGS)),)
  46 gb_COMPILEROPTFLAGS := -O2
  47 endif
  48
  49 gb_CPPU_ENV := gcc3
  50
  51 gb_AFLAGS := $(AFLAGS)
  52
  53 gb_COMPILERDEFS := \
  54         -DBOOST_ERROR_CODE_HEADER_ONLY \
  55         -DBOOST_SYSTEM_NO_DEPRECATED \
  56         -DCPPU_ENV=$(gb_CPPU_ENV) \
  57
  58 gb_CFLAGS_COMMON := \
  59         -Wall \
  60         -Wendif-labels \
  61         -Wextra \
  62         -Wstrict-prototypes \
  63         -Wundef \
  64         -Wunreachable-code \
  65         $(if $(and $(COM_IS_CLANG),$(or $(findstring icecc,$(CC)),$(findstring icecc,$(CCACHE_PREFIX)))),,-Wunused-macros) \
  66         -finput-charset=UTF-8 \
  67         -fmessage-length=0 \
  68         -fno-common \
  69         -pipe \
  70         -fstack-protector-strong \
  71
  72 gb_CXXFLAGS_COMMON := \
  73         -Wall \
  74         -Wno-missing-braces \
  75         -Wnon-virtual-dtor \
  76         -Wendif-labels \
  77         -Wextra \
  78         -Wundef \
  79         -Wunreachable-code \
  80         $(if $(and $(COM_IS_CLANG),$(or $(findstring icecc,$(CC)),$(findstring icecc,$(CCACHE_PREFIX)))),,-Wunused-macros) \
  81         -finput-charset=UTF-8 \
  82         -fmessage-length=0 \
  83         -fno-common \
  84         -pipe \
  85         -fstack-protector-strong \
  86
  87 gb_CXXFLAGS_DISABLE_WARNINGS = -w
  88
  89 ifeq ($(HAVE_BROKEN_GCC_WMAYBE_UNINITIALIZED),TRUE)
  90 gb_CXXFLAGS_COMMON += -Wno-maybe-uninitialized
  91 endif
  92
  93 gb_CXXFLAGS_Wundef = -Wno-undef
  94
  95 ifeq ($(strip $(gb_GCOV)),YES)
  96 gb_CFLAGS_COMMON += -fprofile-arcs -ftest-coverage
  97 gb_CXXFLAGS_COMMON += -fprofile-arcs -ftest-coverage
  98 gb_LinkTarget_LDFLAGS += -fprofile-arcs -lgcov
  99 gb_COMPILEROPTFLAGS := -O0
 100 endif
 101
 102 ifeq ($(DISABLE_DYNLOADING),TRUE)
 103 gb_CFLAGS_COMMON += -ffunction-sections -fdata-sections
 104 gb_CXXFLAGS_COMMON += -ffunction-sections -fdata-sections
 105 gb_LinkTarget_LDFLAGS += -Wl,--gc-sections
 106 endif
 107
 108 ifeq ($(COM_IS_CLANG),TRUE)
 109 gb_CXXFLAGS_COMMON += \
 110         -Wimplicit-fallthrough \
 111         -Wunused-exception-parameter \
 112         -Wrange-loop-analysis
 113 else
 114 gb_CFLAGS_COMMON += \
 115     -Wduplicated-cond \
 116     -Wlogical-op \
 117     -Wshift-overflow=2
 118 gb_CXXFLAGS_COMMON += \
 119     -Wduplicated-cond \
 120     -Wlogical-op \
 121     -Wshift-overflow=2 \
 122     -Wunused-const-variable=1
 123 endif
 124
 125 # GCC 8 -Wcast-function-type (included in -Wextra) unhelpfully even warns on reinterpret_cast
 126 # between incompatible function types:
 127 ifeq ($(shell expr '$(GCC_VERSION)' '>=' 800),1)
 128 gb_CXXFLAGS_COMMON += \
 129     -Wno-cast-function-type
 130 endif
 131
 132 # If CC or CXX already include -fvisibility=hidden, don't duplicate it
 133 ifeq (,$(filter -fvisibility=hidden,$(CC)))
 134 gb_VISIBILITY_FLAGS := -fvisibility=hidden
 135 endif
 136 gb_VISIBILITY_FLAGS_CXX := -fvisibility-inlines-hidden
 137 gb_CXXFLAGS_COMMON += $(gb_VISIBILITY_FLAGS_CXX)
 138
 139 gb_LinkTarget_LDFLAGS += -fstack-protector-strong
 140
 141 ifneq ($(ENABLE_PCH),)
 142 ifeq ($(COM_IS_CLANG),TRUE)
 143 # Clang by default includes in the PCH timestamps of the files it was
 144 # generated from, which would make the PCH be a "new" file for ccache
 145 # even if the file has not actually changed. Disabling the timestamp
 146 # prevents this at the cost of risking using an outdated PCH (which
 147 # should be unlikely, given that gbuild has dependencies set up
 148 # for our includes and system includes are unlikely to change).
 149 gb_NO_PCH_TIMESTAMP := -Xclang -fno-pch-timestamp
 150 else
 151 gb_CFLAGS_COMMON += -fpch-preprocess -Winvalid-pch
 152 gb_CXXFLAGS_COMMON += -fpch-preprocess -Winvalid-pch
 153 gb_NO_PCH_TIMESTAMP :=
 154 endif
 155 endif
 156
 157 gb_CFLAGS_WERROR = $(if $(ENABLE_WERROR),-Werror)
 158
 159 # This is the default in non-C++11 mode
 160 ifeq ($(COM_IS_CLANG),TRUE)
 161 gb_CXX03FLAGS := -std=gnu++98 -Werror=c++11-extensions -Wno-c++11-long-long \
 162     -Wno-deprecated-declarations
 163 else
 164 gb_CXX03FLAGS := -std=gnu++98 -Wno-long-long \
 165     -Wno-variadic-macros -Wno-non-virtual-dtor -Wno-deprecated-declarations
 166 endif
 167
 168 # On Windows MSVC only supports C90 so force gnu89 (especially in clang) to
 169 # to catch potential gnu89/C90 incompatibilities locally.
 170 gb_CFLAGS_COMMON += -std=gnu89
 171
 172 ifeq ($(ENABLE_LTO),TRUE)
 173 ifeq ($(COM_IS_CLANG),TRUE)
 174 gb_LTOFLAGS := -flto
 175 gb_LTOPLUGINFLAGS := --plugin LLVMgold.so
 176 else
 177 gb_LTOFLAGS := -flto=$(PARALLELISM) -fuse-linker-plugin -O2
 178 endif
 179 endif
 180
 181 gb_LinkTarget_EXCEPTIONFLAGS := \
 182         -DEXCEPTIONS_ON \
 183         -fexceptions
 184
 185 ifeq ($(gb_ENABLE_DBGUTIL),$(false))
 186 # Clang doesn't have this option
 187 ifeq ($(HAVE_GCC_FNO_ENFORCE_EH_SPECS),TRUE)
 188 gb_LinkTarget_EXCEPTIONFLAGS += \
 189         -fno-enforce-eh-specs
 190 endif
 191 endif
 192
 193 gb_PrecompiledHeader_EXCEPTIONFLAGS := $(gb_LinkTarget_EXCEPTIONFLAGS)
 194
 195 # optimization level
 196 gb_COMPILERNOOPTFLAGS := -O0 -fstrict-aliasing -fstrict-overflow
 197
 198 ifeq ($(OS),ANDROID)
 199 gb_DEBUGINFO_FLAGS=-glldb
 200 # Clang does not know -ggdb2 or some other options
 201 else ifeq ($(HAVE_GCC_GGDB2),TRUE)
 202 gb_DEBUGINFO_FLAGS=-ggdb2
 203 else
 204 gb_DEBUGINFO_FLAGS=-g2
 205 endif
 206 gb_LINKER_DEBUGINFO_FLAGS=
 207
 208 ifeq ($(HAVE_GCC_SPLIT_DWARF),TRUE)
 209 gb_DEBUGINFO_FLAGS+=-gsplit-dwarf
 210 endif
 211
 212 ifeq ($(ENABLE_GDB_INDEX),TRUE)
 213 gb_LINKER_DEBUGINFO_FLAGS += -Wl,--gdb-index
 214 gb_DEBUGINFO_FLAGS += -ggnu-pubnames
 215 endif
 216
 217 gb_LinkTarget_INCLUDE :=\
 218     $(SOLARINC) \
 219     -I$(BUILDDIR)/config_$(gb_Side) \
 220
 221 ifeq ($(COM_IS_CLANG),TRUE)
 222 gb_COMPILER_TEST_FLAGS := -Xclang -plugin-arg-loplugin -Xclang --unit-test-mode
 223 ifeq ($(COMPILER_PLUGIN_TOOL),)
 224 gb_COMPILER_PLUGINS := -Xclang -load -Xclang $(BUILDDIR)/compilerplugins/clang/plugin.so -Xclang -add-plugin -Xclang loplugin
 225 ifneq ($(COMPILER_PLUGIN_WARNINGS_ONLY),)
 226 gb_COMPILER_PLUGINS += -Xclang -plugin-arg-loplugin -Xclang \
 227     --warnings-only='$(COMPILER_PLUGIN_WARNINGS_ONLY)'
 228 endif
 229 else
 230 gb_COMPILER_PLUGINS := -Xclang -load -Xclang $(BUILDDIR)/compilerplugins/clang/plugin.so -Xclang -plugin -Xclang loplugin $(foreach plugin,$(COMPILER_PLUGIN_TOOL), -Xclang -plugin-arg-loplugin -Xclang $(plugin))
 231 ifneq ($(UPDATE_FILES),)
 232 gb_COMPILER_PLUGINS += -Xclang -plugin-arg-loplugin -Xclang --scope=$(UPDATE_FILES)
 233 endif
 234 endif
 235 ifeq ($(COMPILER_PLUGINS_DEBUG),TRUE)
 236 gb_COMPILER_PLUGINS += -Xclang -plugin-arg-loplugin -Xclang --debug
 237 endif
 238 # set CCACHE_CPP2=1 to prevent clang generating spurious warnings
 239 gb_COMPILER_SETUP += CCACHE_CPP2=1
 240 gb_COMPILER_PLUGINS_SETUP := ICECC_EXTRAFILES=$(SRCDIR)/include/sal/log-areas.dox CCACHE_EXTRAFILES=$(SRCDIR)/include/sal/log-areas.dox
 241 gb_COMPILER_PLUGINS_WARNINGS_AS_ERRORS := \
 242     -Xclang -plugin-arg-loplugin -Xclang --warnings-as-errors
 243 else
 244 # Set CCACHE_CPP2 to prevent GCC -Werror=implicit-fallthrough= when ccache strips comments from C
 245 # code (which still needs /*fallthrough*/-style comments to silence that warning):
 246 ifeq ($(ENABLE_WERROR),TRUE)
 247 gb_COMPILER_SETUP += CCACHE_CPP2=1
 248 endif
 249 gb_COMPILER_TEST_FLAGS :=
 250 gb_COMPILER_PLUGINS :=
 251 gb_COMPILER_PLUGINS_SETUP :=
 252 gb_COMPILER_PLUGINS_WARNINGS_AS_ERRORS :=
 253 endif
 254
 255 # Executable class
 256
 257 gb_Executable_EXT_for_build :=
 258
 259 # Helper class
 260
 261 ifeq ($(OS_FOR_BUILD),MACOSX)
 262 gb_Helper_LIBRARY_PATH_VAR := DYLD_LIBRARY_PATH
 263 else ifeq ($(OS_FOR_BUILD),AIX)
 264 gb_Helper_LIBRARY_PATH_VAR := LIBPATH
 265 else ifeq ($(OS_FOR_BUILD),WNT)
 266 # In theory possible if cross-compiling to some Unix from Windows,
 267 # in practice strongly discouraged to even try that
 268 gb_Helper_LIBRARY_PATH_VAR := PATH
 269 else ifeq ($(OS_FOR_BUILD),HAIKU)
 270 gb_Helper_LIBRARY_PATH_VAR := LIBRARY_PATH
 271 else
 272 gb_Helper_LIBRARY_PATH_VAR := LD_LIBRARY_PATH
 273 endif
 274
 275 gb_Helper_set_ld_path := $(gb_Helper_LIBRARY_PATH_VAR)=$${$(gb_Helper_LIBRARY_PATH_VAR):+$$$(gb_Helper_LIBRARY_PATH_VAR):}"$(INSTROOT_FOR_BUILD)/$(LIBO_URE_LIB_FOLDER_FOR_BUILD):$(INSTROOT_FOR_BUILD)/$(LIBO_LIB_FOLDER_FOR_BUILD)"
 276
 277 # $(1): list of : separated directory pathnames to append to the ld path
 278 define gb_Helper_extend_ld_path
 279 $(gb_Helper_set_ld_path):$(1)
 280 endef
 281
 282 # Convert path to file URL.
 283 define gb_Helper_make_url
 284 file://$(strip $(1))
 285 endef
 286
 287 gb_Helper_get_rcfile = $(1)rc
 288
 289 ifneq ($(ENABLE_PCH),)
 290 # Enable use of .sum files for PCHs.
 291 gb_COMPILER_SETUP += CCACHE_PCH_EXTSUM=1
 292 # CCACHE_SLOPPINESS should contain pch_defines,time_macros for PCHs.
 293 gb_CCACHE_SLOPPINESS :=
 294 ifeq ($(shell test -z "$$CCACHE_SLOPPINESS" && echo 1),1)
 295 gb_CCACHE_SLOPPINESS := CCACHE_SLOPPINESS=pch_defines,time_macros
 296 else
 297 ifeq ($(shell echo "$$CCACHE_SLOPPINESS" | grep -q pch_defines | grep -q time_macros && echo 1),1)
 298 gb_CCACHE_SLOPPINESS := CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS:pch_defines,time_macros
 299 endif
 300 endif
 301 gb_COMPILER_SETUP += $(gb_CCACHE_SLOPPINESS)
 302 endif
 303
 304 ifneq ($(CCACHE_DEPEND_MODE),)
 305 gb_COMPILER_SETUP += CCACHE_DEPEND=1
 306 endif
 307
 308 # vim: set noet sw=4: