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| author | Christoph Biedl <[email protected]> | 2021-01-22 10:50:32 +0000 |
|---|---|---|
| committer | Christoph Biedl <[email protected]> | 2021-01-22 10:56:32 +0000 |
| commit | 809f2473c2c3b653ff9b3a3961135a554948d7fb (patch) | |
| tree | aa4a1bcb95bc42642b9445fa266ab5176429a27c | |
| parent | Protect error counter against overflow. (diff) | |
| download | gnupg-cb/T5215.tar.gz gnupg-cb/T5215.zip | |
Set -fcommon compile optioncb/T5215
--
In gcc 10, the default was changed to -fno-common, triggering linker
errors since the code indeed uses extern declarations in such a way.
Turns out fixing these isn't easy, so rather just restore the previous
behaviour.
GnuPG-bug-id: 5215
Signed-off-by: Christoph Biedl <[email protected]>
| -rw-r--r-- | configure.ac | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index e5bf1bc1a..9a14c4e28 100644 --- a/configure.ac +++ b/configure.ac @@ -1439,6 +1439,20 @@ if test "$GCC" = yes; then if test x"$_gcc_psign" = xyes ; then CFLAGS="$CFLAGS -Wno-pointer-sign" fi + + AC_MSG_CHECKING([if gcc supports -fcommon]) + + _gcc_cflags_save=$CFLAGS + CFLAGS="-fcommon" + + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],_gcc_fcommon=yes,_gcc_fcommon=no) + AC_MSG_RESULT($_gcc_fcommon) + + CFLAGS=$_gcc_cflags_save; + + if test x"$_gcc_fcommon" = xyes ; then + CFLAGS="$CFLAGS -fcommon" + fi fi CL_AS_NOEXECSTACK |