* strings.c: Include config.h before bfd.h.

[thirdparty/binutils-gdb.git] / binutils / configure.in

diff --git a/binutils/configure.in b/binutils/configure.in
index 23d517b4b9cd261b89f36c7d5428e6b4575d6523..05558529a9a7b31e028a9ab27284e82775da5e52 100644 (file)
--- a/binutils/configure.in
+++ b/binutils/configure.in
@@ -100,7 +100,29 @@ AC_SUBST(DEMANGLER_NAME)
 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h fcntl.h sys/file.h)
 AC_HEADER_SYS_WAIT
 AC_FUNC_ALLOCA
-AC_CHECK_FUNCS(sbrk utimes setmode)
+AC_CHECK_FUNCS(sbrk utimes setmode getc_unlocked)
+
+# Check whether fopen64 is available and whether _LARGEFILE64_SOURCE
+# needs to be defined for it
+AC_MSG_CHECKING([for fopen64])
+AC_CACHE_VAL(bu_cv_have_fopen64,
+[AC_TRY_LINK([#include <stdio.h>], [FILE *f = fopen64 ("/tmp/foo","r");],
+bu_cv_have_fopen64=yes,
+[saved_CPPFLAGS=$CPPFLAGS
+ CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
+ AC_TRY_LINK([#include <stdio.h>], [FILE *f = fopen64 ("/tmp/foo","r");],
+bu_cv_have_fopen64="need -D_LARGEFILE64_SOURCE",
+bu_cv_have_fopen64=no)
+ CPPFLAGS=$saved_CPPFLAGS])])
+AC_MSG_RESULT($bu_cv_have_fopen64)
+if test $bu_cv_have_fopen64 != no; then
+  AC_DEFINE([HAVE_FOPEN64], 1,
+           [Is fopen64 available?])
+  if test $bu_cv_have_fopen64 = "need -D_LARGEFILE64_SOURCE"; then
+    AC_DEFINE([_LARGEFILE64_SOURCE], 1,
+             [Enable LFS])
+  fi
+fi
 
 # Some systems have frexp only in -lm, not in -lc.
 AC_SEARCH_LIBS(frexp, m)