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48c0a841 MT |
1 | From 8690dbe058f3ca8af0499a545c4b4cc6a5dc089a Mon Sep 17 00:00:00 2001 |
2 | From: Michael Tremer <michael.tremer@ipfire.org> | |
3 | Date: Tue, 21 Mar 2023 16:58:02 +0000 | |
4 | Subject: [PATCH 1/2] gcc: Build with PIE | |
5 | ||
6 | This patch removes that GCC will be compiled with -fno-PIE/-no-pie. | |
7 | ||
8 | This will break PCH. | |
9 | ||
10 | Signed-off-by: Michael Tremer <michael.tremer@ipfire.org> | |
11 | --- | |
12 | gcc/Makefile.in | 9 --------- | |
13 | gcc/configure.ac | 28 ---------------------------- | |
14 | 2 files changed, 37 deletions(-) | |
15 | ||
16 | diff --git a/gcc/Makefile.in b/gcc/Makefile.in | |
17 | index 31ff95500c9..530928a3cde 100644 | |
18 | --- a/gcc/Makefile.in | |
19 | +++ b/gcc/Makefile.in | |
20 | @@ -267,15 +267,6 @@ endif | |
21 | CET_HOST_FLAGS = @CET_HOST_FLAGS@ | |
22 | COMPILER += $(CET_HOST_FLAGS) | |
23 | ||
24 | -NO_PIE_CFLAGS = @NO_PIE_CFLAGS@ | |
25 | -NO_PIE_FLAG = @NO_PIE_FLAG@ | |
26 | - | |
27 | -# We don't want to compile the compilers with -fPIE, it make PCH fail. | |
28 | -COMPILER += $(NO_PIE_CFLAGS) | |
29 | - | |
30 | -# Link with -no-pie since we compile the compiler with -fno-PIE. | |
31 | -LINKER += $(NO_PIE_FLAG) | |
32 | - | |
33 | # Like LINKER, but use a mutex for serializing front end links. | |
34 | ifeq (@DO_LINK_MUTEX@,true) | |
35 | LLINKER = $(SHELL) $(srcdir)/lock-and-run.sh linkfe.lck $(LINKER) | |
36 | diff --git a/gcc/configure.ac b/gcc/configure.ac | |
37 | index 992a50e7b20..62cd94bffb8 100644 | |
38 | --- a/gcc/configure.ac | |
39 | +++ b/gcc/configure.ac | |
40 | @@ -7641,34 +7641,6 @@ if test x$enable_default_pie = xyes ; then | |
41 | fi | |
42 | AC_SUBST([enable_default_pie]) | |
43 | ||
44 | -# Check if -fno-PIE works. | |
45 | -AC_CACHE_CHECK([for -fno-PIE option], | |
46 | - [gcc_cv_c_no_fpie], | |
47 | - [saved_CXXFLAGS="$CXXFLAGS" | |
48 | - CXXFLAGS="$CXXFLAGS -fno-PIE" | |
49 | - AC_COMPILE_IFELSE([AC_LANG_SOURCE([int main(void) {return 0;}])], | |
50 | - [gcc_cv_c_no_fpie=yes], | |
51 | - [gcc_cv_c_no_fpie=no]) | |
52 | - CXXFLAGS="$saved_CXXFLAGS"]) | |
53 | -if test "$gcc_cv_c_no_fpie" = "yes"; then | |
54 | - NO_PIE_CFLAGS="-fno-PIE" | |
55 | -fi | |
56 | -AC_SUBST([NO_PIE_CFLAGS]) | |
57 | - | |
58 | -# Check if -no-pie works. | |
59 | -AC_CACHE_CHECK([for -no-pie option], | |
60 | - [gcc_cv_no_pie], | |
61 | - [saved_LDFLAGS="$LDFLAGS" | |
62 | - LDFLAGS="$LDFLAGS -no-pie" | |
63 | - AC_LINK_IFELSE([AC_LANG_SOURCE([int main(void) {return 0;}])], | |
64 | - [gcc_cv_no_pie=yes], | |
65 | - [gcc_cv_no_pie=no]) | |
66 | - LDFLAGS="$saved_LDFLAGS"]) | |
67 | -if test "$gcc_cv_no_pie" = "yes"; then | |
68 | - NO_PIE_FLAG="-no-pie" | |
69 | -fi | |
70 | -AC_SUBST([NO_PIE_FLAG]) | |
71 | - | |
72 | # Enable Intel CET on Intel CET enabled host if jit is enabled. | |
73 | GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) | |
74 | case x$enable_languages in | |
75 | -- | |
76 | 2.30.2 | |
77 |