Silence ARI for valid calls to abort

[deliverable/binutils-gdb.git] / config / gcc-plugin.m4

diff --git a/config/gcc-plugin.m4 b/config/gcc-plugin.m4
index dd06a58cd1329aaee15b1e8624467dbd2e91a1f4..8f278719118277230f493e0185fb2a09593e9e45 100644 (file)
--- a/config/gcc-plugin.m4
+++ b/config/gcc-plugin.m4
@@ -19,8 +19,21 @@ AC_DEFUN([GCC_ENABLE_PLUGINS],
    enable_plugin=yes; default_plugin=yes)
 
    pluginlibs=
+   plugin_check=yes
 
    case "${host}" in
+     *-*-mingw*)
+       # Since plugin support under MinGW is not as straightforward as on
+       # other platforms (e.g., we have to link import library, etc), we
+       # only enable it if explicitly requested.
+       if test x"$default_plugin" = x"yes"; then
+         enable_plugin=no
+       elif test x"$enable_plugin" = x"yes"; then
+         # Use make's target variable to derive import library name.
+         pluginlibs='-Wl,--export-all-symbols -Wl,--out-implib=[$]@.a'
+        plugin_check=no
+       fi
+     ;;
      *-*-darwin*)
        if test x$build = x$host; then
         export_sym_check="nm${exeext} -g"
@@ -41,20 +54,20 @@ AC_DEFUN([GCC_ENABLE_PLUGINS],
      ;;
    esac
 
-   if test x"$enable_plugin" = x"yes"; then
+   if test x"$enable_plugin" = x"yes" -a x"$plugin_check" = x"yes"; then
 
      AC_MSG_CHECKING([for exported symbols])
      if test "x$export_sym_check" != x; then
        echo "int main() {return 0;} int foobar() {return 0;}" > conftest.c
        ${CC} ${CFLAGS} ${LDFLAGS} conftest.c -o conftest$ac_exeext > /dev/null 2>&1
-       if $export_sym_check conftest$ac_exeext | grep -q foobar > /dev/null; then
+       if $export_sym_check conftest$ac_exeext | grep foobar > /dev/null; then
         : # No need to use a flag
         AC_MSG_RESULT([yes])
        else
         AC_MSG_RESULT([yes])
         AC_MSG_CHECKING([for -rdynamic])
         ${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest$ac_exeext > /dev/null 2>&1
-        if $export_sym_check conftest$ac_exeext | grep -q foobar > /dev/null; then
+        if $export_sym_check conftest$ac_exeext | grep foobar > /dev/null; then
           plugin_rdynamic=yes
           pluginlibs="-rdynamic"
         else