diff options
Diffstat (limited to 'm4/float_h.m4')
| -rw-r--r-- | m4/float_h.m4 | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/m4/float_h.m4 b/m4/float_h.m4 index e8522ab..02beb85 100644 --- a/m4/float_h.m4 +++ b/m4/float_h.m4 @@ -1,5 +1,5 @@ -# float_h.m4 serial 9 -dnl Copyright (C) 2007, 2009-2017 Free Software Foundation, Inc. +# float_h.m4 serial 12 +dnl Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -14,7 +14,7 @@ AC_DEFUN([gl_FLOAT_H], aix* | beos* | openbsd* | mirbsd* | irix*) FLOAT_H=float.h ;; - freebsd*) + freebsd* | dragonfly*) case "$host_cpu" in changequote(,)dnl i[34567]86 ) @@ -24,10 +24,14 @@ changequote([,])dnl x86_64 ) # On x86_64 systems, the C compiler may still be generating # 32-bit code. - AC_EGREP_CPP([yes], - [#if defined __LP64__ || defined __x86_64__ || defined __amd64__ - yes - #endif], + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if defined __LP64__ || defined __x86_64__ || defined __amd64__ + int ok; + #else + error fail + #endif + ]])], [], [FLOAT_H=float.h]) ;; @@ -42,7 +46,7 @@ changequote([,])dnl ;; esac case "$host_os" in - aix* | freebsd* | linux*) + aix* | freebsd* | dragonfly* | linux*) if test -n "$FLOAT_H"; then REPLACE_FLOAT_LDBL=1 fi @@ -69,14 +73,20 @@ int main () [gl_cv_func_itold_works=no], [case "$host" in sparc*-*-linux*) - AC_EGREP_CPP([yes], - [#if defined __LP64__ || defined __arch64__ - yes - #endif], + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if defined __LP64__ || defined __arch64__ + int ok; + #else + error fail + #endif + ]])], [gl_cv_func_itold_works="guessing no"], [gl_cv_func_itold_works="guessing yes"]) ;; - *) gl_cv_func_itold_works="guessing yes" ;; + # Guess yes on native Windows. + mingw*) gl_cv_func_itold_works="guessing yes" ;; + *) gl_cv_func_itold_works="guessing yes" ;; esac ]) ]) |