* gcc-interface/gigi.h (get_minimal_subprog_decl): Declare.

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

diff --git a/libcpp/configure.ac b/libcpp/configure.ac
index ce8cae6..83d5bb6 100644 (file)
--- a/libcpp/configure.ac
+++ b/libcpp/configure.ac
@@ -33,12 +33,16 @@ 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 -Wwrite-strings \
+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])
@@ -102,7 +106,13 @@ if test $ac_cv_type_uchar = yes; then
   [Define if <sys/types.h> defines \`uchar'.])
 fi
 
-AM_ICONV
+# 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"
@@ -144,9 +154,7 @@ case $target in
        x86_64-*-* | \
        ia64-*-* | \
        hppa*64*-*-* | \
-       i[34567]86-*-darwin* | \
-       i[34567]86-*-solaris2.1[0-9]* | x86_64-*-solaris2.1[0-9]* | \
-       i[34567]86-w64-mingw* | \
+       i[34567]86-*-* | x86_64-*-solaris2.1[0-9]* | \
        mips*-*-* | \
        mmix-*-* | \
        powerpc*-*-* | \
@@ -156,13 +164,6 @@ case $target in
        spu-*-* | \
        sh[123456789lbe]*-*-* | sh-*-*)
                need_64bit_hwint=yes ;;
-       i[34567]86-*-linux*)
-               if test "x$enable_targets" = xall; then
-                       need_64bit_hwint=yes
-               else
-                       need_64bit_hwint=no
-               fi
-               ;;
        *)
                need_64bit_hwint=no ;;
 esac