Changes in directory llvm/autoconf/m4:
huge_val.m4 added (r1.1) --- Log message: Add a check to see if HUGE_VAL is sane or not. --- Diffs of the changes: (+18 -0) huge_val.m4 | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+) Index: llvm/autoconf/m4/huge_val.m4 diff -c /dev/null llvm/autoconf/m4/huge_val.m4:1.1 *** /dev/null Fri Nov 3 12:04:18 2006 --- llvm/autoconf/m4/huge_val.m4 Fri Nov 3 12:04:08 2006 *************** *** 0 **** --- 1,18 ---- + # + # This function determins if the the HUGE_VAL macro is compilable with the + # -pedantic switch or not. XCode < 2.4.1 doesn't get it right. + # + AC_DEFUN([AC_HUGE_VAL_CHECK],[ + AC_CACHE_CHECK([for HUGE_VAL sanity], [ac_cv_huge_val_sanity],[ + AC_LANG_PUSH(C) + CPPFLAGS=-pedantic + AC_RUN_IFELSE( + AC_LANG_PROGRAM( + [#include <math.h>], + [double x = HUGE_VAL; return x != x; ]), + [ac_cv_huge_val_sanity=yes],[ac_cv_huge_val_sanity=no], + [ac_cv_huge_val_sanity=yes]) + AC_LANG_POP(C) + ]) + AC_SUBST(HUGE_VAL_SANITY,$ac_cv_huge_val_sanity) + ]) _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
