Mercurial > hg > CbC > CbC_gcc
view libquadmath/acinclude.m4 @ 144:8f4e72ab4e11
fix segmentation fault caused by nothing next cur_op to end
author | Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp> |
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date | Sun, 23 Dec 2018 21:23:56 +0900 |
parents | 84e7813d76e9 |
children |
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dnl ---------------------------------------------------------------------- dnl This whole bit snagged from libgfortran. sinclude(../libtool.m4) sinclude(../config/enable.m4) sinclude(../config/cet.m4) dnl The lines below arrange for aclocal not to bring an installed dnl libtool.m4 into aclocal.m4, while still arranging for automake to dnl add a definition of LIBTOOL to Makefile.in. ifelse(,,,[AC_SUBST(LIBTOOL) AC_DEFUN([AM_PROG_LIBTOOL]) AC_DEFUN([AC_LIBTOOL_DLOPEN]) AC_DEFUN([AC_PROG_LD]) ]) dnl Check whether POSIX's signgam is defined in math.h. AC_DEFUN([LIBQUAD_CHECK_MATH_H_SIGNGAM], [ AC_CACHE_CHECK([whether the math.h includes POSIX's signgam], libgfor_cv_have_math_h_signgam, [ save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <math.h> void foo(void) { signgam = 1; }]], [])], libgfor_cv_have_math_h_signgam=yes, libgfor_cv_have_math_h_signgam=no) CFLAGS="$save_CFLAGS"]) if test $libgfor_cv_have_math_h_signgam = yes; then AC_DEFINE(HAVE_MATH_H_SIGNGAM, 1, [Define to 1 if the math.h includes POSIX's signgam.]) fi])