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-rw-r--r--gnulib-m4/float_h.m436
1 files changed, 23 insertions, 13 deletions
diff --git a/gnulib-m4/float_h.m4 b/gnulib-m4/float_h.m4
index e2887eb5..24bd06ec 100644
--- a/gnulib-m4/float_h.m4
+++ b/gnulib-m4/float_h.m4
@@ -1,5 +1,5 @@
-# float_h.m4 serial 9
-dnl Copyright (C) 2007, 2009-2016 Free Software Foundation, Inc.
+# float_h.m4 serial 12
+dnl Copyright (C) 2007, 2009-2017 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
])
])