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1# Process this file with autoconf to produce a configure script.
2AC_PREREQ(2.52)
3AC_INIT(bison, 1.28a, bug-bison@gnu.org)
4AC_CONFIG_AUX_DIR(config)
5AM_INIT_AUTOMAKE(bison, 1.28a)
6AM_CONFIG_HEADER(config.h:config.hin)
7
8# Initialize the test suite.
9AT_CONFIG(../src)
10
11# Checks for programs.
12AC_PROG_CC
13AC_MINIX
14AC_ISC_POSIX
15AM_PROG_CC_STDC
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 ${enableval} for gcc-warnings option]) ;;
29 esac],
30 [enableval=no])
31if test "${enableval}" = yes; then
32 BISON_WARNING(-Wall)
33 BISON_WARNING(-W)
34 BISON_WARNING(-Wbad-function-cast)
35 BISON_WARNING(-Wcast-align)
36 BISON_WARNING(-Wcast-qual)
37 BISON_WARNING(-Wmissing-declarations)
38 BISON_WARNING(-Wmissing-prototypes)
39 BISON_WARNING(-Wnested-externs)
40 BISON_WARNING(-Wshadow)
41 BISON_WARNING(-Wstrict-prototypes)
42 BISON_WARNING(-Wwrite-strings)
43 CFLAGS="$CFLAGS $WARNING_CFLAGS"
44fi
45
46# Checks for libraries.
47AC_DEFINE([_GNU_SOURCE],1,[Define to 1 for GNU C library extensions.])
48
49# Checks for header files.
50AC_HEADER_STDC
51AC_CHECK_HEADERS(ctype.h locale.h memory.h stdlib.h string.h unistd.h)
52
53# Checks for typedefs.
54
55# Checks for structures.
56
57# Checks for compiler characteristics.
58AC_C_CONST
59AC_C_INLINE
60AM_C_PROTOTYPES
61
62# Checks for library functions.
63AC_FUNC_ALLOCA
64AC_CHECK_FUNCS(mkstemp setlocale)
65AC_CHECK_DECLS([stpcpy, strndup, strnlen, memchr])
66AC_REPLACE_FUNCS(stpcpy strndup strnlen strspn memchr)
67jm_FUNC_MALLOC
68jm_FUNC_REALLOC
69jm_PREREQ_QUOTEARG
70jm_PREREQ_ERROR
71
72ALL_LINGUAS="de es et fr ja nl ru"
73AM_GNU_GETTEXT
74
75# This is necessary so that .o files in LIBOBJS are also built via
76# the ANSI2KNR-filtering rules.
77LIBOBJS=`echo $LIBOBJS|sed 's/\.o /\$U.o /g;s/\.o$/\$U.o/'`
78AC_SUBST(LIBOBJS)
79
80AC_OUTPUT([Makefile
81 config/Makefile
82 intl/Makefile po/Makefile.in
83 lib/Makefile src/Makefile doc/Makefile
84 m4/Makefile
85 tests/Makefile tests/atconfig])