diff options
Diffstat (limited to 'projects/sample/autoconf/m4/c_printf_a.m4')
-rw-r--r-- | projects/sample/autoconf/m4/c_printf_a.m4 | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/projects/sample/autoconf/m4/c_printf_a.m4 b/projects/sample/autoconf/m4/c_printf_a.m4 deleted file mode 100644 index 61bac8c9dd..0000000000 --- a/projects/sample/autoconf/m4/c_printf_a.m4 +++ /dev/null @@ -1,31 +0,0 @@ -# -# Determine if the printf() functions have the %a format character. -# This is modified from: -# http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_have_ext_slist.html -AC_DEFUN([AC_C_PRINTF_A], -[AC_CACHE_CHECK([if printf has the %a format character],[llvm_cv_c_printf_a], -[AC_LANG_PUSH([C]) - AC_RUN_IFELSE([ - AC_LANG_PROGRAM([[ -#include <stdio.h> -#include <stdlib.h> -]],[[ -volatile double A, B; -char Buffer[100]; -A = 1; -A /= 10.0; -sprintf(Buffer, "%a", A); -B = atof(Buffer); -if (A != B) - return (1); -if (A != 0x1.999999999999ap-4) - return (1); -return (0);]])], - llvm_cv_c_printf_a=yes, - llvmac_cv_c_printf_a=no, - llvmac_cv_c_printf_a=no) - AC_LANG_POP([C])]) - if test "$llvm_cv_c_printf_a" = "yes"; then - AC_DEFINE([HAVE_PRINTF_A],[1],[Define to have the %a format string]) - fi -]) |