* src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only

[bison.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 3d0a1a3f681dee1ed6eacb199f44fd96ec9857ef..5a418cffe7772452854383621f9801f997913655 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -20,34 +20,19 @@
 # We need a recent Autoconf to run a recent Autotest.
 AC_PREREQ(2.54)
 
-AC_INIT([GNU Bison], [1.49c], [bug-bison@gnu.org])
+AC_INIT([GNU Bison], [1.75b], [bug-bison@gnu.org])
 AC_CONFIG_AUX_DIR(config)
 
-AM_INIT_AUTOMAKE([1.6.3 check-news readme-alpha dist-bzip2])
-AM_CONFIG_HEADER(config.h:config.hin)
+AM_INIT_AUTOMAKE([1.7 check-news readme-alpha dist-bzip2])
+AC_CONFIG_HEADERS([config.h:config.hin])
 
-# Initialize the test suite.
-AC_CONFIG_TESTDIR(tests)
-AC_CONFIG_FILES([tests/Makefile tests/atlocal])
-AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
-# Needed by tests/atlocal.in.
-AC_SUBST([GCC])
-
-# Checks for programs.
+# Checks for the compiler.
 AC_PROG_CC
-AM_PROG_LEX
-AC_PROG_YACC
-AC_MINIX
+# Remove with Automake 1.8.
 AC_ISC_POSIX
+AC_GNU_SOURCE
+AC_MINIX
 AM_PROG_CC_STDC
-AC_PROG_RANLIB
-AM_MISSING_PROG([AUTOM4TE], [autom4te])
-BISON_PROG_GNU_M4
-if test x"$ac_cv_prog_gnu_m4" != xyes; then
-  AC_MSG_ERROR([GNU M4 1.4 is required])
-fi
-AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
-
 AC_ARG_ENABLE(gcc-warnings,
 [  --enable-gcc-warnings   turn on lots of GCC warnings (not recommended)],
 [case "${enableval}" in
@@ -73,48 +58,64 @@ if test "${enableval}" = yes; then
   BISON_WARNING(-Wwrite-strings)
 fi
 
-# Checks for libraries.
-AC_DEFINE([_GNU_SOURCE],1,[Define to 1 for GNU C library extensions.])
+# Checks for programs.
+AC_PROG_LEX
+AC_PROG_YACC
+AC_PROG_RANLIB
+BISON_PROG_GNU_M4
+if test x"$ac_cv_prog_gnu_m4" != xyes; then
+  AC_MSG_ERROR([GNU M4 1.4 is required])
+fi
+AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
 
 # Checks for header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS([ctype.h locale.h memory.h stdlib.h string.h unistd.h])
+AC_HEADER_STDBOOL
 
 # Checks for compiler characteristics.
-AC_C_CONST
 AC_C_INLINE
-AM_C_PROTOTYPES
 
 # Checks for library functions.
 AC_FUNC_ALLOCA
 AC_FUNC_OBSTACK
 AC_FUNC_ERROR_AT_LINE
 AC_FUNC_STRNLEN
-UTILS_FUNC_MKSTEMP
 AC_CHECK_FUNCS(setlocale)
-AC_CHECK_DECLS([getenv, getopt, free, stpcpy, strchr, strspn, strnlen,
+AC_CHECK_DECLS([free, getenv, getopt,
+                stpcpy, strchr, strspn, strnlen,
                 malloc, memchr, memrchr])
-AC_REPLACE_FUNCS(stpcpy strchr strspn memchr memrchr)
+AC_REPLACE_FUNCS(memchr memrchr \
+                 strchr stpcpy strrchr strspn strtol)
 AC_FUNC_MALLOC
 AC_FUNC_REALLOC
 jm_PREREQ_QUOTEARG
+jm_FUNC_ARGMATCH
 jm_PREREQ_ERROR
-jm_PREREQ_TEMPNAME
 AM_WITH_DMALLOC
+BISON_PREREQ_SUBPIPE
 BISON_PREREQ_TIMEVAR
 
 # Gettext.
 AM_GNU_GETTEXT(external, need-ngettext)
 AM_GNU_GETTEXT_VERSION(0.11.5)
 
-# This is necessary so that .o files in LIBOBJS are also built via
-# the ANSI2KNR-filtering rules.
-LIB@&t@OBJS=`echo $LIB@&t@OBJS|sed 's/\.o /\$U.o /g;s/\.o$/\$U.o/'`
-AC_SUBST(LIB@&t@OBJS)
+# Initialize the test suite.
+AC_CONFIG_TESTDIR(tests)
+AC_CONFIG_FILES([tests/Makefile tests/atlocal])
+AC_CONFIG_FILES([tests/bison], [chmod +x tests/bison])
+AC_CHECK_PROGS([VALGRIND], [valgrind])
+AC_CHECK_PROGS([GXX], [g++])
+AM_MISSING_PROG([AUTOM4TE], [autom4te])
+# Needed by tests/atlocal.in.
+AC_SUBST([GCC])
+O0CFLAGS=`echo $CFLAGS | sed 's/-O[0-9] *//'`
+AC_SUBST([O0CFLAGS])
 
-AC_OUTPUT([Makefile
-           config/Makefile
-           po/Makefile.in
-           data/Makefile
-           lib/Makefile src/Makefile doc/Makefile
-           m4/Makefile])
+AC_CONFIG_FILES([Makefile
+                 config/Makefile
+                 po/Makefile.in
+                 data/Makefile
+                 lib/Makefile src/Makefile doc/Makefile
+                 m4/Makefile])
+AC_OUTPUT