2005-05-09 Kelley Cook <kcook@gcc.gnu.org>
[deliverable/binutils-gdb.git] / binutils / configure.in
index 965f468381e00e30aef01e92a5d4c289150c3f59..d1c209d5e09d0b63174d6a4db6ca3c1345bc5605 100644 (file)
@@ -29,26 +29,48 @@ AC_ARG_ENABLE(commonbfdlib,
   *)   AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
 esac])dnl
 
-build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+dnl FIXME: The following is bfd/warning.m4 contents expanded
+dnl When converting to current autotools, please replace with
+dnl AM_BINUTILS_WARNINGS
+WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+
+AC_ARG_ENABLE(werror,
+  [  --enable-werror    treat compile warnings as errors],
+  [case "${enableval}" in
+     yes | y) ERROR_ON_WARNING="yes" ;;
+     no | n)  ERROR_ON_WARNING="no" ;;
+     *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
+   esac])
+
+# Enable -Werror by default when using gcc
+if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
+    ERROR_ON_WARNING=yes
+fi
+
+NO_WERROR=
+if test "${ERROR_ON_WARNING}" = yes ; then
+    WARN_CFLAGS="$WARN_CFLAGS -Werror"
+    NO_WERROR="-Wno-error"
+fi
+                  
 AC_ARG_ENABLE(build-warnings,
-[  --enable-build-warnings Enable build-time compiler warnings if gcc is used],
+[  --enable-build-warnings Enable build-time compiler warnings],
 [case "${enableval}" in
   yes) ;;
-  no)  build_warnings="-w";;
+  no)  WARN_CFLAGS="-w";;
   ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
-        build_warnings="${build_warnings} ${t}";;
+        WARN_CFLAGS="${WARN_CFLAGS} ${t}";;
   *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
-        build_warnings="${t} ${build_warnings}";;
-  *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
-esac
-if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
-  echo "Setting warning flags = $build_warnings" 6>&1
-fi])dnl
-WARN_CFLAGS=""
-if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
-    WARN_CFLAGS="${build_warnings}"
+        WARN_CFLAGS="${t} ${WARN_CFLAGS}";;
+  *)    WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"`;;
+esac])
+
+if test x"$silent" != x"yes" && test x"$WARN_CFLAGS" != x""; then
+  echo "Setting warning flags = $WARN_CFLAGS" 6>&1
 fi
+
 AC_SUBST(WARN_CFLAGS)
+AC_SUBST(NO_WERROR)
 
 AM_CONFIG_HEADER(config.h:config.in)
 
@@ -64,7 +86,7 @@ AC_PROG_CC
 AC_PROG_YACC
 AM_PROG_LEX
 
-ALL_LINGUAS="fr tr ja es sv da zh_CN"
+ALL_LINGUAS="fr tr ja es sv da zh_CN ru ro rw"
 CY_GNU_GETTEXT
 
 AM_MAINTAINER_MODE
@@ -118,10 +140,27 @@ AC_MSG_RESULT($bu_cv_have_fopen64)
 if test "$bu_cv_have_fopen64" != no; then
   AC_DEFINE([HAVE_FOPEN64], 1,
            [Is fopen64 available?])
-  if test "$bu_cv_have_fopen64" = "need -D_LARGEFILE64_SOURCE"; then
-    AC_DEFINE([_LARGEFILE64_SOURCE], 1,
-             [Enable LFS])
-  fi
+fi
+AC_MSG_CHECKING([for stat64])
+AC_CACHE_VAL(bu_cv_have_stat64,
+[AC_TRY_LINK([#include <sys/stat.h>], [struct stat64 st; stat64 ("/tmp/foo", &st);],
+bu_cv_have_stat64=yes,
+[saved_CPPFLAGS=$CPPFLAGS
+ CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
+ AC_TRY_LINK([#include <sys/stat.h>], [struct stat64 st; stat64 ("/tmp/foo", &st);],
+bu_cv_have_stat64="need -D_LARGEFILE64_SOURCE",
+bu_cv_have_stat64=no)
+ CPPFLAGS=$saved_CPPFLAGS])])
+AC_MSG_RESULT($bu_cv_have_stat64)
+if test "$bu_cv_have_stat64" != no; then
+  AC_DEFINE([HAVE_STAT64], 1,
+           [Is stat64 available?])
+fi
+if test "$bu_cv_have_fopen64" = "need -D_LARGEFILE64_SOURCE" \
+   || test "$bu_cv_have_stat64" = "need -D_LARGEFILE64_SOURCE"; then
+  AC_DEFINE([_LARGEFILE64_SOURCE], 1,
+           [Enable LFS])
+  CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
 fi
 
 # Some systems have frexp only in -lm, not in -lc.
@@ -147,6 +186,16 @@ if test $bu_cv_decl_time_t_types_h = yes; then
            [Is the type time_t defined in <sys/types.h>?])
 fi
 
+AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
+AC_CACHE_VAL(bu_cv_decl_getopt_unistd_h,
+[AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
+bu_cv_decl_getopt_unistd_h=yes, bu_cv_decl_getopt_unistd_h=no)])
+AC_MSG_RESULT($bu_cv_decl_getopt_unistd_h)
+if test $bu_cv_decl_getopt_unistd_h = yes; then
+  AC_DEFINE([HAVE_DECL_GETOPT], 1,
+           [Is the prototype for getopt in <unistd.h> in the expected format?])
+fi
+
 # Under Next 3.2 <utime.h> apparently does not define struct utimbuf
 # by default.
 AC_MSG_CHECKING([for utime.h])
@@ -208,7 +257,7 @@ do
     else
        case $targ in
 changequote(,)dnl
-       i[3456]86*-*-netware*) 
+       i[3-7]86*-*-netware*) 
 changequote([,])dnl
          BUILD_NLMCONV='$(NLMCONV_PROG)$(EXEEXT)'
          NLMCONV_DEFS="$NLMCONV_DEFS -DNLMCONV_I386"
@@ -249,17 +298,26 @@ changequote([,])dnl
          OBJDUMP_DEFS="-DDISASSEMBLER_NEEDS_RELOCS"
          ;;
 changequote(,)dnl
-       i[3-6]86-*-pe* | i[3-6]86-*-cygwin* | i[3-6]86-*-mingw32** | i[3-6]86-*-netbsdpe*)
+       i[3-7]86-*-pe* | i[3-7]86-*-cygwin* | i[3-7]86-*-mingw32** | i[3-7]86-*-netbsdpe*)
 changequote([,])dnl
          BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
          DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_I386"
          BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
          BUILD_DLLWRAP='$(DLLWRAP_PROG)$(EXEEXT)'
          ;;
-       i[3-6]86-*-interix)
+changequote(,)dnl
+       i[3-7]86-*-interix)
+changequote([,])dnl
          BUILD_DLLTOOL='$(DLLTOOL_PROG)'
          DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_I386"
          ;;
+changequote(,)dnl
+       powerpc*-aix5.[01])
+changequote([,])dnl
+         ;;
+       powerpc*-aix5.*)
+         OBJDUMP_DEFS="-DAIX_WEAK_SUPPORT"
+         ;;
        powerpc*-*-pe* | powerpc*-*-cygwin*)
          BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
          DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_PPC"
@@ -284,12 +342,6 @@ changequote([,])dnl
          BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
          DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_MCORE_ELF"
          ;;
-        c4x-*-* | tic4x-*-*)
-          OBJDUMP_DEFS="$OBJDUMP_DEFS -DSKIP_ZEROES=32"
-          ;;
-       ia64-*-*)
-         OBJDUMP_DEFS="$OBJDUMP_DEFS -DSKIP_ZEROES=16"
-         ;;
        esac
     fi
 done
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