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Improve the readability of the produced parsers.
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1# Process this file with autoconf to produce a configure script.
2AC_PREREQ(2.13)
3AC_INIT(src/reduce.c)
4AM_INIT_AUTOMAKE(bison, 1.28a)
5AM_CONFIG_HEADER(config.h:config.hin)
6
7# Initialize the test suite.
8AT_CONFIG(../src)
9
10# Checks for programs.
11AC_PROG_CC
12AC_MINIX
13AC_ISC_POSIX
14AM_PROG_CC_STDC
15AC_PROG_INSTALL
16AC_PROG_RANLIB
17# GNU M4 is needed to build the testsuite.
18BISON_AC_PROG_GNU_M4
19if test "$ac_cv_prog_gnu_m4" != yes; then
20 missing_dir=`cd $ac_aux_dir && pwd`
21 M4="$missing_dir/missing m4"
22fi
23
24AC_ARG_ENABLE(gcc-warnings,
25[ --enable-gcc-warnings turn on lots of GCC warnings (not recommended)],
26[case "${enableval}" in
27 yes|no) ;;
28 *) AC_MSG_ERROR([bad value ${enableval} for gcc-warnings option]) ;;
29 esac
30],
31enableval=no
32)
33if test "${enableval}" = yes; then
34 BISON_WARNING(-Wall)
35 BISON_WARNING(-W)
36 BISON_WARNING(-Wbad-function-cast)
37 BISON_WARNING(-Wcast-align)
38 BISON_WARNING(-Wcast-qual)
39 BISON_WARNING(-Wmissing-declarations)
40 BISON_WARNING(-Wmissing-prototypes)
41 BISON_WARNING(-Wnested-externs)
42 BISON_WARNING(-Wshadow)
43 BISON_WARNING(-Wstrict-prototypes)
44 BISON_WARNING(-Wwrite-strings)
45 CFLAGS="$CFLAGS $WARNING_CFLAGS"
46fi
47
48# Checks for libraries.
49AC_DEFINE([_GNU_SOURCE],1,[Define to 1 for GNU C library extensions.])
50
51# Checks for header files.
52AC_HEADER_STDC
53AC_CHECK_HEADERS(ctype.h locale.h memory.h stdlib.h string.h unistd.h)
54
55# Checks for typedefs.
56
57# Checks for structures.
58
59# Checks for compiler characteristics.
60AC_C_CONST
61AC_C_INLINE
62AM_C_PROTOTYPES
63
64# Checks for library functions.
65AC_FUNC_ALLOCA
66AC_CHECK_FUNCS(mkstemp setlocale)
67jm_FUNC_MALLOC
68jm_FUNC_REALLOC
69
70ALL_LINGUAS="de es et fr ja nl ru"
71AM_GNU_GETTEXT
72jm_PREREQ_ERROR
73
74# This is necessary so that .o files in LIBOBJS are also built via
75# the ANSI2KNR-filtering rules.
76LIBOBJS=`echo $LIBOBJS|sed 's/\.o /\$U.o /g;s/\.o$/\$U.o/'`
77AC_SUBST(LIBOBJS)
78
79AC_OUTPUT([Makefile
80 intl/Makefile po/Makefile.in
81 lib/Makefile src/Makefile doc/Makefile
82 m4/Makefile
83 tests/Makefile tests/atconfig])