[patch, committed] Use PRId64 in libgomp/config/linux

[Tobias Burnus <tobias@codesourcery.com>]

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Use PRId64 if available, otherwise use a cast. For some reasons, it 
failed during bootstrap with a -Werror even though %ld should be okay 
with int64_t on x86_64-gnu-linux. Nonetheless, using PRId64 is better.

Committed after testing on x86_64-gnu-linux.

Tobias


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commit 8a8ebae1a419e1d3642d22874195acf6d5bae7d8
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Wed Sep 18 10:27:39 2019 +0200

    Use PRId64 if available
    
    libgomp/
    2019-09-18  Tobias Burnus  <tobias@codesourcery.com>
    
            * linux/gomp_print.c (gomp_print_integer): Use PRId64 if available,
            otherwise cast for %ld.

diff --git a/libgomp/ChangeLog.openacc b/libgomp/ChangeLog.openacc
index 1006b8149c8..db7f2a43b80 100644
--- a/libgomp/ChangeLog.openacc
+++ b/libgomp/ChangeLog.openacc
@@ -1,3 +1,8 @@
+2019-09-18  Tobias Burnus  <tobias@codesourcery.com>
+
+	* linux/gomp_print.c (gomp_print_integer): Use PRId64 if available,
+	otherwise cast for %ld.
+
 2019-09-17  Julian Brown  <julian@codesourcery.com>
 
 	* libgomp-plugin.h (GOMP_OFFLOAD_openacc_async_host2dev): Update
diff --git a/libgomp/config/linux/gomp_print.c b/libgomp/config/linux/gomp_print.c
index 811bdd6e9a9..8b2e383440f 100644
--- a/libgomp/config/linux/gomp_print.c
+++ b/libgomp/config/linux/gomp_print.c
@@ -1,6 +1,11 @@
 #include <stdio.h>
 #include <stdint.h>
 
+#include "config.h"  /* For HAVE_INTTYPES_H.  */
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>  /* For PRId64.  */
+#endif
+
 void
 gomp_print_string (const char *msg, const char *value)
 {
@@ -10,7 +15,11 @@ gomp_print_string (const char *msg, const char *value)
 void
 gomp_print_integer (const char *msg, int64_t value)
 {
-  printf ("%s%ld\n", msg, value);
+#ifdef HAVE_INTTYPES_H
+  printf ("%s%" PRId64 "\n", msg, value);
+#else
+  printf ("%s%ld\n", msg, (long) value);
+#endif
 }
 
 void