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[bison.git] / configure.in

diff --git a/configure.in b/configure.in
index 29d8cb720e3cdf5e49d22269637521b160a1d8f2..c64e5e95d6ba896c22a82515cea2a62d08a4c66d 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1,50 +1,86 @@
-dnl Process this file with autoconf to produce a configure script.
-AC_INIT(src/reduce.c)
-AM_INIT_AUTOMAKE(bison,1.29)
+# Process this file with autoconf to produce a configure script.
+AC_PREREQ(2.52)
+AC_INIT(bison, 1.28c, bug-bison@gnu.org)
+AC_CONFIG_AUX_DIR(config)
+AM_INIT_AUTOMAKE(bison, 1.28c)
 AM_CONFIG_HEADER(config.h:config.hin)
-AC_PREREQ(2.13)
 
-ALL_LINGUAS="de es fr nl ru"
+# Initialize the test suite.
+AT_CONFIG(../src)
 
-dnl Checks for programs.
+# Checks for programs.
 AC_PROG_CC
 AC_MINIX
 AC_ISC_POSIX
 AM_PROG_CC_STDC
-AC_PROG_INSTALL
 AC_PROG_RANLIB
+# GNU M4 is needed to build the testsuite.
+BISON_AC_PROG_GNU_M4
+if test "$ac_cv_prog_gnu_m4" != yes; then
+  missing_dir=`cd $ac_aux_dir && pwd`
+  M4="$missing_dir/missing m4"
+fi
 
-dnl Checks for libraries.
+AC_ARG_ENABLE(gcc-warnings,
+[  --enable-gcc-warnings   turn on lots of GCC warnings (not recommended)],
+[case "${enableval}" in
+   yes|no) ;;
+   *)      AC_MSG_ERROR([bad value ${enableval} for gcc-warnings option]) ;;
+ esac],
+              [enableval=no])
+if test "${enableval}" = yes; then
+  BISON_WARNING(-Wall)
+  BISON_WARNING(-W)
+  BISON_WARNING(-Wbad-function-cast)
+  BISON_WARNING(-Wcast-align)
+  BISON_WARNING(-Wcast-qual)
+  BISON_WARNING(-Wformat)
+  BISON_WARNING(-Wmissing-declarations)
+  BISON_WARNING(-Wmissing-prototypes)
+  BISON_WARNING(-Wnested-externs)
+  BISON_WARNING(-Wshadow)
+  BISON_WARNING(-Wstrict-prototypes)
+  BISON_WARNING(-Wwrite-strings)
+  CFLAGS="$CFLAGS $WARNING_CFLAGS"
+fi
 
-dnl Checks for header files.
+# Checks for libraries.
+AC_DEFINE([_GNU_SOURCE],1,[Define to 1 for GNU C library extensions.])
+
+# Checks for header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS(ctype.h locale.h memory.h stdlib.h string.h unistd.h)
 
-dnl Checks for typedefs.
+# Checks for typedefs.
 
-dnl Checks for structures.
+# Checks for structures.
 
-dnl Checks for compiler characteristics.
+# Checks for compiler characteristics.
 AC_C_CONST
+AC_C_INLINE
 AM_C_PROTOTYPES
 
-dnl Checks for library functions.
+# Checks for library functions.
 AC_FUNC_ALLOCA
 AC_CHECK_FUNCS(mkstemp setlocale)
-BISON_NEED_DECLARATIONS(calloc realloc)
+AC_CHECK_DECLS([stpcpy, strndup, strnlen, memchr])
+AC_REPLACE_FUNCS(stpcpy strndup strnlen strspn memchr)
+jm_FUNC_MALLOC
+jm_FUNC_REALLOC
+jm_PREREQ_QUOTEARG
+jm_PREREQ_ERROR
 
+ALL_LINGUAS="de es et fr ja nl ru"
 AM_GNU_GETTEXT
 
 # This is necessary so that .o files in LIBOBJS are also built via
 # the ANSI2KNR-filtering rules.
 LIBOBJS=`echo $LIBOBJS|sed 's/\.o /\$U.o /g;s/\.o$/\$U.o/'`
+AC_SUBST(LIBOBJS)
 
-AC_DEFINE_UNQUOTED(VERSION_STRING, "GNU Bison version ${VERSION}")
-XPFILE="${datadir}/bison.simple"
-BISON_DEFINE_FILE(XPFILE, XPFILE)
-XPFILE1="${datadir}/bison.hairy"
-BISON_DEFINE_FILE(XPFILE1, XPFILE1)
-LOCALEDIR="${datadir}/locale"
-BISON_DEFINE_FILE(LOCALEDIR, LOCALEDIR)
-
-AC_OUTPUT(Makefile intl/Makefile po/Makefile.in src/Makefile doc/Makefile)
+AC_OUTPUT([Makefile
+           config/Makefile
+           intl/Makefile po/Makefile.in
+           lib/Makefile src/Makefile doc/Makefile
+           m4/Makefile
+           tests/Makefile tests/atconfig])