# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
-AC_PREREQ(2.57)
+AC_PREREQ(2.64)
AC_INIT(cpplib, [ ], gcc-bugs@gcc.gnu.org, cpplib)
AC_CONFIG_SRCDIR(ucnid.h)
+AC_CONFIG_MACRO_DIR(../config)
AC_CANONICAL_SYSTEM
-AM_INIT_AUTOMAKE(foreign)
-AM_MAINTAINER_MODE
# Checks for programs.
+AC_PROG_MAKE_SET
+AC_PROG_INSTALL
AC_PROG_CC
+AC_PROG_CXX
AC_PROG_RANLIB
+AC_USE_SYSTEM_EXTENSIONS
+AC_SYS_LARGEFILE
+
+# See if we are building gcc with C++.
+# Do this early so setting lang to C++ affects following tests
+AC_ARG_ENABLE(build-with-cxx,
+[ --enable-build-with-cxx build with C++ compiler instead of C compiler],
+ENABLE_BUILD_WITH_CXX=$enableval,
+ENABLE_BUILD_WITH_CXX=no)
+AC_SUBST(ENABLE_BUILD_WITH_CXX)
+
+MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
+AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal])
+AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf])
+AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader])
+
+# Figure out what compiler warnings we can enable.
+# See config/warnings.m4 for details.
+
+ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wno-narrowing -Wwrite-strings \
+ -Wmissing-format-attribute], [warn])
+ACX_PROG_CC_WARNING_OPTS([-Wstrict-prototypes -Wmissing-prototypes \
+ -Wold-style-definition -Wc++-compat], [c_warn])
+ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
+
+# Disable exceptions and RTTI if building with g++
+ACX_PROG_CC_WARNING_OPTS(
+ m4_quote(m4_do([-fno-exceptions -fno-rtti])), [noexception_flags])
+
+# Only enable with --enable-werror-always until existing warnings are
+# corrected.
+ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
+
+# Dependency checking.
+ZW_CREATE_DEPDIR
+if test "$ENABLE_BUILD_WITH_CXX" = "no"; then
+ZW_PROG_COMPILER_DEPENDENCIES([CC])
+else
+AC_LANG_PUSH([C++])
+AC_COMPILE_IFELSE([[int i;]], [],
+ [AC_MSG_ERROR([C++ compiler missing or inoperational])])
+AC_LANG_POP([C++])
+ZW_PROG_COMPILER_DEPENDENCIES([CXX])
+fi
+
# Checks for header files.
AC_HEADER_TIME
ACX_HEADER_STRING
-ACX_HEADER_STDBOOL
-AC_CHECK_HEADERS(iconv.h locale.h fcntl.h limits.h stddef.h \
+
+AC_CHECK_HEADERS(locale.h fcntl.h limits.h stddef.h \
stdlib.h strings.h string.h sys/file.h unistd.h)
# Checks for typedefs, structures, and compiler characteristics.
+AC_C_BIGENDIAN
AC_C_CONST
AC_C_INLINE
AC_FUNC_OBSTACK
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
+AC_TYPE_SSIZE_T
+AC_TYPE_UINTPTR_T
+AC_CHECK_TYPE(ptrdiff_t, int)
AC_STRUCT_TM
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
-AC_CHECK_FUNCS(putc_unlocked fputc_unlocked fputs_unlocked \
- fwrite_unlocked fprintf_unlocked)
-AC_CHECK_DECLS([abort, errno, putc_unlocked, fputc_unlocked,
- fputs_unlocked, fwrite_unlocked, fprintf_unlocked])
+define(libcpp_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
+ ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl
+ fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl
+ fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
+ putchar_unlocked putc_unlocked)
+AC_CHECK_FUNCS(libcpp_UNLOCKED_FUNCS)
+AC_CHECK_DECLS([abort, asprintf, basename(char *), errno, getopt, vasprintf])
+AC_CHECK_DECLS(m4_split(m4_normalize(libcpp_UNLOCKED_FUNCS)))
# Checks for library functions.
AC_FUNC_ALLOCA
AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
[AC_TRY_COMPILE([
-#include "ansidecl.h"
-#include "system.h"
+#include <sys/types.h>
],
[if ((uchar *)0) return 0;
if (sizeof(uchar)) return 0;],
[Define if <sys/types.h> defines \`uchar'.])
fi
-AM_ICONV
-AM_CONDITIONAL(ENABLE_NLS, [test "x$enable_nls" != xno])
+# g++ on Solaris 10+ defines _XOPEN_SOURCE=600, which exposes a different
+# iconv() prototype.
+AS_IF([test "$ENABLE_BUILD_WITH_CXX" = "yes"],
+ [AC_LANG_PUSH([C++])
+ AM_ICONV
+ AC_LANG_POP([C++])],
+ [AM_ICONV])
+
+# More defines and substitutions.
+PACKAGE="$PACKAGE_TARNAME"
+AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Define to the name of this package.])
+AC_SUBST(PACKAGE)
+
+if test "x$enable_nls" != xno; then
+ USED_CATALOGS='$(CATALOGS)'
+else
+ USED_CATALOGS=
+fi
+AC_SUBST(USED_CATALOGS)
+
+AC_ARG_ENABLE(maintainer-mode,
+[ --enable-maintainer-mode enable rules only needed by maintainers],,
+enable_maintainer_mode=no)
+
+if test "x$enable_maintainer_mode" = xno; then
+ MAINT='#'
+else
+ MAINT=
+fi
+AC_SUBST(MAINT)
+
AC_ARG_ENABLE(checking,
[ --enable-checking enable expensive run-time checks],,
enable_checking=no)
[Define if you want more run-time sanity checks.])
fi
+m4_changequote(,)
case $target in
alpha*-*-* | \
+ arm*-*-*eabi* | \
+ arm*-*-rtems[.0-9]* | \
+ arm*-*-symbianelf* | \
x86_64-*-* | \
ia64-*-* | \
- hppa*64*-*-* | parisc*64*-*-* | \
+ hppa*64*-*-* | \
+ i[34567]86-*-* | x86_64-*-solaris2.1[0-9]* | \
mips*-*-* | \
mmix-*-* | \
powerpc*-*-* | \
rs6000*-*-* | \
s390*-*-* | \
- sparc64*-*-* | ultrasparc-*-freebsd* | \
- sparcv9-*-solaris2* | \
- sparc-*-solaris2.[789] | sparc-*-solaris2.1[0-9] | \
- sh[123456789l]*-*-*)
+ sparc*-*-* | \
+ spu-*-* | \
+ sh[123456789lbe]*-*-* | sh-*-* | \
+ tilegx-*-* | tilepro-*-* )
need_64bit_hwint=yes ;;
*)
need_64bit_hwint=no ;;
*:8 | no:*) host_wide_int=long ;;
*) host_wide_int='long long' ;;
esac
+m4_changequote([,])
AC_DEFINE_UNQUOTED(HOST_WIDE_INT, $host_wide_int,
[Define to the widest efficient host integer type at least
as wide as the target's size_t type.])
-AC_CONFIG_HEADERS(config.h:config.in)
+case $target in
+ i?86-* | x86_64-*)
+ AC_TRY_COMPILE([], [asm ("pcmpestri %0, %%xmm0, %%xmm1" : : "i"(0))],
+ [AC_DEFINE([HAVE_SSE4], [1],
+ [Define to 1 if you can assemble SSE4 insns.])])
+esac
+
+# Output.
+
+AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])
AC_CONFIG_FILES(Makefile)
AC_OUTPUT
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