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configure.ac: disable common data to avoid problems with some linkers

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Disable common data to:

a) discover problems with common data as quickly as possible (we
   should not use common data as some compilers may not handle it);
b) work around a problem with the OSX linker causing it to not find
   zero_buffer even though it is defined in nasmlib/zerobuf.c.

Reported-by: anonymous coward <nasm64developer@users.sf.net>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
H. Peter Anvin 2016-08-02 09:28:22 -07:00
parent 43bb293432
commit 43e026277b
1 changed files with 5 additions and 0 deletions
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5
configure.ac
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@ -82,6 +82,11 @@ dnl Force gcc and gcc-compatible compilers treat signed integers
dnl as 2's complement
PA_ADD_CFLAGS([-fwrapv])
dnl Don't put things in common if we can avoid it. We don't want to
dnl assume all compilers support common, and this will help find those
dnl problems. This also works around an OSX linker problem.
PA_ADD_CFLAGS([-fno-common])
dnl Look for programs...
AC_CHECK_PROGS(NROFF, nroff, false)
AC_CHECK_PROGS(ASCIIDOC, asciidoc, false)