src/local.mk

   1 bin_PROGRAMS = src/cppi
   2 src_cppi_SOURCES = \
   3   src/cppi.l \
   4   src/system.h
   5
   6 # Tell the linker to omit references to unused shared libraries.
   7 AM_LDFLAGS = $(IGNORE_UNUSED_LIBRARIES_CFLAGS)
   8
   9 EXTRA_DIST +=           \
  10   src/cpp.gp            \
  11   src/cpp-indent.pl     \
  12   src/cppi.l            \
  13   src/cpp-cond.c
  14
  15 MAINTAINERCLEANFILES += src/cpp-cond.c
  16 CLEANFILES += lex.backup
  17 DISTCLEANFILES += src/cpp.h
  18
  19 GPERF = gperf
  20
  21 AM_CPPFLAGS += -I$(top_srcdir)/lib -Isrc -I$(top_srcdir)/src
  22
  23 LDADD = $(top_builddir)/lib/libcppi.a $(LIBINTL) $(top_builddir)/lib/libcppi.a
  24
  25 GPERF_OPTIONS = \
  26   -C -N cpp_cond_lookup -n -t -s 6 -k '*' --language=ANSI-C
  27
  28 src/cpp-cond.c: src/cpp.gp
  29         $(AM_V_GEN)rm -f $@ $@-t
  30         $(AM_V_at)$(GPERF) $(GPERF_OPTIONS) $< \
  31           | perl -0777 -p \
  32              -e 's/const struct KW \*\ncpp_cond_lookup/static\n$$&/' \
  33           > $@-t
  34         $(AM_V_at)chmod a-w $@-t
  35         $(AM_V_at)mv $@-t $@
  36
  37 localedir = $(datadir)/locale
  38 BUILT_SOURCES += src/localedir.h
  39 DISTCLEANFILES += src/localedir.h
  40 src/localedir.h: src/local.mk
  41         $(AM_V_GEN)rm -f $@-t
  42         $(AM_V_at)echo '#define LOCALEDIR "$(localedir)"' >$@-t
  43         $(AM_V_at)chmod a-w $@-t
  44         $(AM_V_at)cmp $@-t $@ > /dev/null 2>&1 && rm -f $@-t \
  45           || { rm -f $@; mv $@-t $@; }
  46
  47 # flex_debug = #-d
  48 flex_debug = # -L # suppress #line directives
  49
  50 # This is required to avoid an infloop on certain 8-bit inputs.
  51 # Without this option, the generated scanner would infloop on e.g.,
  52 #   perl -e 'print "\300"' |./cppi
  53 flex_8_bit = -8
  54
  55 flex_optimize = -Cfr -p -b
  56 AM_LFLAGS = $(flex_debug) $(flex_optimize) $(flex_8_bit)
  57
  58 # Don't use automake's default .l.c rule.
  59 # I prefer to make generated .c files unwritable.
  60 src/cppi.c: src/cppi.l
  61         $(AM_V_GEN)rm -f $@
  62         $(AM_V_at)$(LEXCOMPILE) $(top_srcdir)/src/cppi.l
  63         $(AM_V_at)chmod a-w $(LEX_OUTPUT_ROOT).c
  64         $(AM_V_at)mv $(LEX_OUTPUT_ROOT).c $@
  65
  66 src/cpp.h: src/cpp.gp src/local.mk
  67         $(AM_V_GEN)rm -f $@-t $@
  68         $(AM_V_at)(                                                     \
  69          echo '/* This file is generated automatically from cpp.gp.  */'; \
  70          echo;                                                          \
  71          echo 'enum Eic_type';                                          \
  72          echo '{';                                                      \
  73          sed -n '/.*, /{s///;s/.*/  &,/;p;};' $(srcdir)/src/cpp.gp;     \
  74          echo '  EIC_OTHER';                                            \
  75          echo '};';                                                     \
  76          echo;                                                          \
  77          echo 'static char const *const directive[] =';                 \
  78          echo '{';                                                      \
  79          sed -n '/,.*/{s///;s/.*/  "&",/;p;};' $(srcdir)/src/cpp.gp;    \
  80          echo '  ""';                                                   \
  81          echo '};';                                                     \
  82         )                                                               \
  83           > $@-t
  84         $(AM_V_at)chmod -w $@-t
  85         $(AM_V_at)mv $@-t $@
  86
  87 BUILT_SOURCES += src/cpp-cond.c src/cpp.h