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| author | Tobias Burnus <burnus@net-b.de> | 2010-12-19 20:01:38 +0100 |
|---|---|---|
| committer | Tobias Burnus <burnus@gcc.gnu.org> | 2010-12-19 20:01:38 +0100 |
| commit | 6f468984d82a1d514b410ffc4d06efdb47a1e526 (patch) | |
| tree | db01227b632db0c2224ca36d3088c47e9a6ae426 /libquadmath/configure.ac | |
| parent | 799fa775605b4e3cef078635fbeaf30bad1960e2 (diff) | |
re PR fortran/46520 (libquadmath: fails at link test on bare irons)
2010-12-19 Tobias Burnus <burnus@net-b.de>
PR fortran/46520
* configure.ac: Do not call AC_CHECK_LIB for gcc_no_link.
* configure: Regenerate
From-SVN: r168069
Diffstat (limited to 'libquadmath/configure.ac')
| -rw-r--r-- | libquadmath/configure.ac | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/libquadmath/configure.ac b/libquadmath/configure.ac index 56b1fcb2792..68b5cf8924c 100644 --- a/libquadmath/configure.ac +++ b/libquadmath/configure.ac @@ -109,8 +109,19 @@ esac AC_SUBST(toolexecdir) AC_SUBST(toolexeclibdir) -AC_CHECK_LIB([m],[sqrtl],[AC_DEFINE([HAVE_SQRTL],[1],[libm includes sqrtl])]) -AC_CHECK_LIB([m],[cbrtl],[AC_DEFINE([HAVE_CBRTL],[1],[libm includes cbrtl])]) +# If available, sqrtl and cbrtl speed up the calculation - +# but they are not required +if test x$gcc_no_link != xyes; then + AC_CHECK_LIB([m],[sqrtl],[AC_DEFINE([HAVE_SQRTL],[1],[libm includes sqrtl])]) + AC_CHECK_LIB([m],[cbrtl],[AC_DEFINE([HAVE_CBRTL],[1],[libm includes cbrtl])]) +else + if test "x$ac_cv_lib_m_sqrtl" = x""yes; then + AC_DEFINE([HAVE_SQRTL],[1],[libm includes sqrtl]) + fi + if test "x$ac_cv_lib_m_cbrtl" = x""yes; then + AC_DEFINE([HAVE_CBRTL],[1],[libm includes cbrtl]) + fi +fi # Check for symbol versioning (copied from libssp). AC_MSG_CHECKING([whether symbol versioning is supported]) |