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re PR bootstrap/54820 (ada: cannot find -lstdc++ since 4.8.0 20121002)

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PR bootstrap/54820
	* configure.ac (have_static_libs): Force 'no' for GCC version < 4.5.
	* configure: Regenerate.

From-SVN: r192748
This commit is contained in:
Eric Botcazou 2012-10-23 22:57:43 +00:00 committed by Eric Botcazou
parent a780583f82
commit 0d6414b24c
3 changed files with 15 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2012-10-23 Eric Botcazou <ebotcazou@adacore.com>
PR bootstrap/54820
* configure.ac (have_static_libs): Force 'no' for GCC version < 4.5.
* configure: Regenerate.
2012-10-23 Richard Earnshaw <rearnsha@arm.com>
* MAINTAINERS (aarch64): Add Marcus and myself.

4
configure vendored
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@ -4892,6 +4892,10 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
#error -static-libstdc++ not implemented
#endif
int main() {}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :

6
configure.ac
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@ -1190,7 +1190,11 @@ if test "$GCC" = yes; then
LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
AC_LANG_PUSH(C++)
AC_LINK_IFELSE([int main() {}],
AC_LINK_IFELSE([
#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
#error -static-libstdc++ not implemented
#endif
int main() {}],
[AC_MSG_RESULT([yes]); have_static_libs=yes],
[AC_MSG_RESULT([no])])
AC_LANG_POP(C++)