X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fconfigure.in;h=6a69408810c9d390e7147e55f7b21c64ea55f4d8;hb=9ab433aae8243622dbc5756a7f7c82cf0fd5cb1c;hp=c3d5e97250cf7e3abe260162c5700f6003f7b834;hpb=93a6d43674ccaf3089bd29f7f3aa7b8e7b65d99c;p=deliverable%2Fbinutils-gdb.git

diff --git a/ld/configure.in b/ld/configure.in
index c3d5e97250..6a69408810 100644
--- a/ld/configure.in
+++ b/ld/configure.in
@@ -4,8 +4,12 @@ AC_PREREG(2.13)
 AC_INIT(ldmain.c)
 
 AC_CANONICAL_SYSTEM
+AC_ISC_POSIX
 
-AM_INIT_AUTOMAKE(ld, 2.9.5)
+changequote(,)dnl
+BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ 	]*\([^ 	]*\)[ 	]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
+changequote([,])dnl
+AM_INIT_AUTOMAKE(ld, ${BFD_VERSION})
 
 AM_PROG_LIBTOOL
 
@@ -25,6 +29,27 @@ AC_ARG_ENABLE(64-bit-bfd,
   *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
 esac],[want64=false])dnl
 
+build_warnings="-W -Wall"
+AC_ARG_ENABLE(build-warnings,
+[  --enable-build-warnings Enable build-time compiler warnings if gcc is used],
+[case "${enableval}" in
+  yes)	;;
+  no)	build_warnings="-w";;
+  ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
+        build_warnings="${build_warnings} ${t}";;
+  *,)   t=`echo "${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}"
+fi
+AC_SUBST(WARN_CFLAGS)
+
 AM_CONFIG_HEADER(config.h:config.in)
 
 if test -z "$target" ; then
@@ -74,11 +99,13 @@ BFD_NEED_DECLARATION(environ)
 # broken Microsoft MSVC compiler, which limits the length of string
 # constants, while still supporting pre-ANSI compilers which do not
 # support string concatenation.
+AC_MSG_CHECKING([whether ANSI C string concatenation works])
 AC_CACHE_VAL(ld_cv_string_concatenation,
 [AC_TRY_COMPILE(,[char *a = "a" "a";],
-  [ld_cv_string_concatenation=true],
-  [ld_cv_string_concatenation=false])])
-if test "$ld_cv_string_concatenation" = "true"; then
+  [ld_cv_string_concatenation=yes],
+  [ld_cv_string_concatenation=no])])
+AC_MSG_RESULT($ld_cv_string_concatenation)
+if test "$ld_cv_string_concatenation" = "yes"; then
   STRINGIFY=astring.sed
 else
   STRINGIFY=ostring.sed