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Compilation error in simple-object-elf.c


I've built the pretest of GDB 8.2 with MinGW today, and bumped into a
compilation error in libiberty:

     if [ x"" != x ]; then \
       gcc -c -DHAVE_CONFIG_H -O2 -gdwarf-4 -g3 -D__USE_MINGW_ACCESS  -I. -I./../include   -W -Wall -Wwrite-strings -Wc++-compat -Wstrict-prototypes -pedantic  -D_GNU_SOURCE   ./simple-object-elf.c -o noasan/simple-object-elf.o; \
     else true; fi
     gcc -c -DHAVE_CONFIG_H -O2 -gdwarf-4 -g3 -D__USE_MINGW_ACCESS  -I. -I./../include   -W -Wall -Wwrite-strings -Wc++-compat -Wstrict-prototypes -pedantic  -D_GNU_SOURCE ./simple-object-elf.c -o simple-object-elf.o
     ./simple-object-elf.c: In function 'simple_object_elf_copy_lto_debug_sections':
     ./simple-object-elf.c:1284:14: error: 'ENOTSUP' undeclared (first use in this function)
	    *err = ENOTSUP;
     ./simple-object-elf.c:1284:14: note: each undeclared identifier is reported only once for each function it appears in

Suggested fix:

2018-07-18  Eli Zaretskii  <>

	* libiberty/simple-object-elf.c (ENOTSUP): If not defined by
          errno.h, redirect to ENOSYS.

--- libiberty/simple-object-elf.c~0	2018-07-04 18:41:59.000000000 +0300
+++ libiberty/simple-object-elf.c	2018-07-18 18:19:39.286654700 +0300
@@ -22,6 +22,10 @@ Boston, MA 02110-1301, USA.  */
 #include "simple-object.h"
 #include <errno.h>
+/*'s MinGW doesn't have ENOTSUP.  */
+#ifndef ENOTSUP
 #include <stddef.h>

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