1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
Description: Disable PIE for stage1 and stage2
This is no use for freestanding binaries and causes an explosion in binary
size.
Author: Colin Watson <cjwatson@debian.org>
Forwarded: no
Last-Update: 2016-10-08
Index: b/configure.ac
===================================================================
--- a/configure.ac
+++ b/configure.ac
@@ -143,6 +143,28 @@
if test "x$no_combine_stack_adjustments_flag" = xyes; then
GRUB_CFLAGS="$GRUB_CFLAGS -fno-combine-stack-adjustments"
fi
+ # Disable PIE if possible.
+ AC_CACHE_CHECK([whether gcc has -fno-PIE],
+ no_pie_flag, [
+ saved_CFLAGS=$CFLAGS
+ CFLAGS="-fno-PIE"
+ AC_TRY_COMPILE(, , no_pie_flag=yes, no_pie_flag=no)
+ CFLAGS=$saved_CFLAGS
+ ])
+ if test "x$no_pie_flag" = xyes; then
+ STAGE1_CFLAGS="$STAGE1_CFLAGS -fno-PIE"
+ STAGE2_CFLAGS="$STAGE2_CFLAGS -fno-PIE"
+ fi
+ AC_CACHE_CHECK([whether gcc has -no-pie],
+ no_pie_linker_flag, [
+ saved_LDFLAGS=$LDFLAGS
+ LDFLAGS="-no-pie"
+ AC_TRY_LINK(, , no_pie_linker_flag=yes, no_pie_linker_flag=no)
+ LDFLAGS=$saved_LDFLAGS
+ ])
+ if test "x$no_pie_linker_flag" = xyes; then
+ LDFLAGS="$LDFLAGS -no-pie"
+ fi
fi
fi
|
