d673ecb754
- Disable FMA support, see the following message for details: http://lists.gnu.org/archive/html/bug-gsl/2011-11/msg00019.html - Still disable %check on i586 because it fails. - Remove redundant tags/sections (see specfile guidelines) - Parallel build with %_smp_mflags - Remove redundant tags/sections (see specfile guidelines) OBS-URL: https://build.opensuse.org/request/show/111338 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/gsl?expand=0&rev=23
36 lines
948 B
Diff
36 lines
948 B
Diff
Index: gsl-1.15/configure.ac
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===================================================================
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--- gsl-1.15.orig/configure.ac
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+++ gsl-1.15/configure.ac
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@@ -381,6 +381,30 @@ AC_SUBST(HAVE_OPENBSD_IEEE_INTERFACE)
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AC_SUBST(HAVE_DARWIN_IEEE_INTERFACE)
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AC_SUBST(HAVE_DARWIN86_IEEE_INTERFACE)
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+dnl check for compiler flags to disable use of FMA
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+save_cflags="$CFLAGS"
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+AC_CACHE_CHECK([for compiler flags to disable use of FMA], ac_cv_c_fma_flags,
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+[
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+if test X"$GCC" = Xyes; then
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+ fma_flags='-ffp-contract=off'
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+else
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+ fma_flags=
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+fi
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+if test X"$fma_flags" != X; then
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+ CFLAGS="$fma_flags $CFLAGS"
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+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[int
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+foo;]])],[ac_cv_c_fma_flags="$fma_flags"],[ac_cv_c_fma_flags="none"])
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+else
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+ ac_cv_c_fma_flags="none"
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+fi])
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+
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+if test "$ac_cv_c_fma_flags" != "none" ; then
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+ CFLAGS="$ac_cv_c_fma_flags $save_cflags"
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+else
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+ CFLAGS="$save_cflags"
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+fi
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+
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+
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dnl Check for IEEE control flags
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save_cflags="$CFLAGS"
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