PR ada/60703

[pf3gnuchains/gcc-fork.git] / fixincludes / configure.ac

diff --git a/fixincludes/configure.ac b/fixincludes/configure.ac
index f3eeb76..e7de791 100644 (file)
--- a/fixincludes/configure.ac
+++ b/fixincludes/configure.ac
@@ -1,10 +1,43 @@
-AC_PREREQ(2.59)
+AC_PREREQ(2.64)
 
 AC_INIT(fixincludes, [ ])
 AC_CONFIG_SRCDIR(inclhack.def)
 AC_CONFIG_AUX_DIR(..)
+m4_sinclude(../libtool.m4)
 AC_CANONICAL_SYSTEM
 AC_PROG_CC
+AC_USE_SYSTEM_EXTENSIONS
+AC_PROG_SED
+
+# Figure out what compiler warnings we can enable.
+# See config/warnings.m4 for details.
+
+ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
+                         -Wmissing-prototypes -Wold-style-definition \
+                         -Wmissing-format-attribute -Wno-overlength-strings])
+ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
+
+# Only enable with --enable-werror-always until existing warnings are
+# corrected.
+ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
+
+# Determine the noncanonical target name, for directory use.
+ACX_NONCANONICAL_TARGET
+
+# Specify the local prefix
+local_prefix=
+AC_ARG_WITH(local-prefix,
+[  --with-local-prefix=DIR specifies directory to put local include],
+[case "${withval}" in
+yes)   AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
+no)    ;;
+*)     local_prefix=$with_local_prefix ;;
+esac])
+
+# Default local prefix if it is empty
+if test x$local_prefix = x; then
+       local_prefix=/usr/local
+fi
 
 # Choose one or two-process fix methodology.  Systems that cannot handle
 # bi-directional pipes must use the two process method.
@@ -19,6 +52,7 @@ fi],
 [case $host in
        i?86-*-msdosdjgpp* | \
        i?86-*-mingw32* | \
+       x86_64-*-mingw32* | \
        *-*-beos* )
                TARGET=twoprocess
                ;;
@@ -48,10 +82,14 @@ AC_DEFINE_UNQUOTED([EXE_EXT], "$ac_exeext",
 AC_HEADER_STDC
 AC_CHECK_HEADERS([stddef.h stdlib.h strings.h unistd.h fcntl.h sys/file.h \
        sys/stat.h])
-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(fixincludes_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(fixincludes_UNLOCKED_FUNCS)
+AC_CHECK_DECLS([abort, asprintf, basename(char *), errno, vasprintf])
+AC_CHECK_DECLS(m4_split(m4_normalize(fixincludes_UNLOCKED_FUNCS)))
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
@@ -72,7 +110,9 @@ else
   MAINT='#'
 fi     
 AC_SUBST(MAINT)
+AC_DEFINE_UNQUOTED([SED_PROGRAM], "${SED}",
+   [Defined to the best working sed program on the host system])
 
 AC_CONFIG_HEADERS(config.h, [echo timestamp > stamp-h])
-AC_CONFIG_FILES(Makefile)
+AC_CONFIG_FILES(Makefile mkheaders.almost:mkheaders.in)
 AC_OUTPUT