From: Ken Brown <kbrown@cornell.edu>
Date: Thu, 16 Aug 2018 13:05:56 +0000 (-0400)
Subject: Pacify GCC with -Wunused-but-set-variable
X-Git-Tag: emacs-27.0.90~4557
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=5f39f203eeadc7fad8aecd5269a487abad2fad6f;p=emacs.git

Pacify GCC with -Wunused-but-set-variable

* src/unexcw.c (read_exe_header):
(fixup_executable):
(unexec): Specify the "unused" attribute for variables that
are used only in assertions.
---

diff --git a/src/unexcw.c b/src/unexcw.c
index 762b996e4b6..dea9f6a7462 100644
--- a/src/unexcw.c
+++ b/src/unexcw.c
@@ -48,7 +48,7 @@ static exe_header_t *
 read_exe_header (int fd, exe_header_t * exe_header_buffer)
 {
   int i;
-  int ret;
+  int ret ATTRIBUTE_UNUSED;
 
   assert (fd >= 0);
   assert (exe_header_buffer != 0);
@@ -111,7 +111,7 @@ fixup_executable (int fd)
   exe_header_t exe_header_buffer;
   exe_header_t *exe_header;
   int i;
-  int ret;
+  int ret ATTRIBUTE_UNUSED;
   int found_data = 0;
   int found_bss = 0;
 
@@ -269,7 +269,7 @@ unexec (const char *outfile, const char *infile)
   int fd_in;
   int fd_out;
   int ret;
-  int ret2;
+  int ret2 ATTRIBUTE_UNUSED;
 
   infile = add_exe_suffix_if_necessary (infile, infile_buffer);
   outfile = add_exe_suffix_if_necessary (outfile, outfile_buffer);