File gdb-runtest-pie-override.patch of Package gdb

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File gdb-runtest-pie-override.patch of Package gdb (Revision 31f10185dc1de1d49abd0d4e887948ae)

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From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Fedora GDB patches <invalid@email.com>
Date: Fri, 27 Oct 2017 21:07:50 +0200
Subject: gdb-runtest-pie-override.patch

;; Hack for proper PIE run of the testsuite.
;;=fedoratest

make check//unix/-fPIE/-pie RUNTESTFLAGS=solib-display.exp

gcc -fpic -c  -fPIE -pie -o x.o x.c
/usr/lib/gcc/x86_64-redhat-linux/4.6.1/../../../../lib64/Scrt1.o: In function `_start':
(.text+0x20): undefined reference to `main'

=> Change the order for overrides.

One has to also use -fPIC rather than -fPIE, -fPIC is stronger.

The correct way would be:
make check//unix RUNTESTFLAGS='CC_FOR_TARGET=gcc\ -fPIC\ -pie CXX_FOR_TARGET=g++\ -fPIC\ -pie solib-display.exp'

But there is a problem with testsuite.unix non-unique subdir name and also
a problem with make -j parallelization of the testsuite.

diff --git a/gdb/testsuite/lib/future.exp b/gdb/testsuite/lib/future.exp
--- a/gdb/testsuite/lib/future.exp
+++ b/gdb/testsuite/lib/future.exp
@@ -185,6 +185,10 @@ proc gdb_default_target_compile {source destfile type options} {
     set ldflags ""
     set dest [target_info name]
 
+    if {[board_info $dest exists multilib_flags]} {
+	append add_flags " [board_info $dest multilib_flags]"
+    }
+
     if {[info exists CFLAGS_FOR_TARGET]} {
 	append add_flags " $CFLAGS_FOR_TARGET"
     }
@@ -519,10 +523,6 @@ proc gdb_default_target_compile {source destfile type options} {
 	}
     }
 
-    if {[board_info $dest exists multilib_flags]} {
-	append add_flags " [board_info $dest multilib_flags]"
-    }
-
     verbose "doing compile"
 
     set sources ""

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File gdb-runtest-pie-override.patch of Package gdb (Revision 31f10185dc1de1d49abd0d4e887948ae)

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