[binutils-gdb] binutils: Fix warning on platforms that don't have asprintf

[Alan Modra <amodra at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1f5345a614203185f7fdacbf4b000d2676de26dd

commit 1f5345a614203185f7fdacbf4b000d2676de26dd
Author: Sam Thursfield <sam.thursfield@codethink.co.uk>
Date:   Fri Mar 3 14:14:35 2017 +0000

    binutils: Fix warning on platforms that don't have asprintf
    
    	* configure.ac (AC_CHECK_DECLS): Add asprintf.
    	* config.in: Regenerate.
    	* configure: Regenerate.

Diff:
---
 binutils/ChangeLog    |  6 ++++++
 binutils/config.in    |  4 ++++
 binutils/configure    | 10 ++++++++++
 binutils/configure.ac |  2 +-
 4 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 4ed3bb0..4e3f78a 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,9 @@
+2017-03-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
+
+	* configure.ac (AC_CHECK_DECLS): Add asprintf.
+	* config.in: Regenerate.
+	* configure: Regenerate.
+
 2017-03-02  Nick Clifton  <nickc@redhat.com>
 
 	* readelf.c (print_gnu_build_attribute_description): Use global
diff --git a/binutils/config.in b/binutils/config.in
index 5174d3e..6a63e2d 100644
--- a/binutils/config.in
+++ b/binutils/config.in
@@ -35,6 +35,10 @@
    */
 #undef HAVE_ALLOCA_H
 
+/* Define to 1 if you have the declaration of `asprintf', and to 0 if you
+   don't. */
+#undef HAVE_DECL_ASPRINTF
+
 /* Define to 1 if you have the declaration of `environ', and to 0 if you
    don't. */
 #undef HAVE_DECL_ENVIRON
diff --git a/binutils/configure b/binutils/configure
index fc9b976..48fa906 100755
--- a/binutils/configure
+++ b/binutils/configure
@@ -13518,6 +13518,16 @@ $as_echo "#define HAVE_GOOD_UTIME_H 1" >>confdefs.h
 
 fi
 
+ac_fn_c_check_decl "$LINENO" "asprintf" "ac_cv_have_decl_asprintf" "$ac_includes_default"
+if test "x$ac_cv_have_decl_asprintf" = x""yes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_ASPRINTF $ac_have_decl
+_ACEOF
 ac_fn_c_check_decl "$LINENO" "environ" "ac_cv_have_decl_environ" "$ac_includes_default"
 if test "x$ac_cv_have_decl_environ" = x""yes; then :
   ac_have_decl=1
diff --git a/binutils/configure.ac b/binutils/configure.ac
index 2f3fca9..fbd366a 100644
--- a/binutils/configure.ac
+++ b/binutils/configure.ac
@@ -198,7 +198,7 @@ if test $bu_cv_header_utime_h = yes; then
   AC_DEFINE(HAVE_GOOD_UTIME_H, 1, [Does <utime.h> define struct utimbuf?])
 fi
 
-AC_CHECK_DECLS([environ, fprintf, getc_unlocked, getenv,
+AC_CHECK_DECLS([asprintf, environ, fprintf, getc_unlocked, getenv,
 		sbrk, snprintf, stpcpy, strnlen, strstr, vsnprintf])
 
 # Link in zlib if we can.  This allows us to read compressed debug