gcc-6.2: Add fix for missing no-PIE flags
PATCH v2 1/1 gcc-6.2: Add fix for missing no-PIE flags
From: Stephen Arnold <[email protected]>
Fixes build on hardened PAX host with gcc-5 (linker error on relocs). Completes no-PIE config by adding to ALL_* flags variables. Borrowed from Gentoo gcc patches, tested on 2 hardened amd64 hosts.
Upstream-Status: Inappropriate [configuration]
Commited by: Gentoo Toolchain Project <[email protected]>
--- meta/recipes-devtools/gcc/gcc-6.2.inc | 1 + .../gcc/gcc-6.2/0054_all_nopie-all-flags.patch | 17 +++++++++++++++++ 2 files changed, 18 insertions(+) create mode 100644 meta/recipes-devtools/gcc/gcc-6.2/0054_all_nopie-all-flags.patch
meta/recipes-devtools/gcc/gcc-6.2.inc +1 -0
@@ -78,6 +78,7 @@ SRC_URI = "\ file://0045-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch \ file://0046-Link-libgcc-using-LDFLAGS-not-just-SHLIB_LDFLAGS.patch \ file://0047-libgcc_s-Use-alias-for-__cpu_indicator_init-instead-.patch \ + file://0054_all_nopie-all-flags.patch \ ${BACKPORTS} \ " BACKPORTS = ""
meta/recipes-devtools/gcc/gcc-6.2/0054_all_nopie-all-flags.patch new file +17 -0
@@ -0,0 +1,17 @@ +We need to pass NO_PIE_CFLAGS to ALL_* so gcc doesn't fail when +we compile it with older gcc and pie. + +--- a/gcc/Makefile.in 2015-06-25 19:18:12.000000000 +0200 ++++ b/gcc/Makefile.in 2016-04-22 00:12:54.029178860 +0200 +@@ -991,10 +991,10 @@ ALL_CXXFLAGS = $(T_CFLAGS) $(CFLAGS-$@) + ALL_CPPFLAGS = $(INCLUDES) $(CPPFLAGS) + + # This is the variable to use when using $(COMPILER). +-ALL_COMPILERFLAGS = $(ALL_CXXFLAGS) ++ALL_COMPILERFLAGS = $(NO_PIE_CFLAGS) $(ALL_CXXFLAGS) + + # This is the variable to use when using $(LINKER). +-ALL_LINKERFLAGS = $(ALL_CXXFLAGS) ++ALL_LINKERFLAGS = $(NO_PIE_CFLAGS) $(ALL_CXXFLAGS) + + # Build and host support libraries.
Signature · 1 line
2.11.1
Quoted 10 lines · Stephen Arnold
From: Stephen Arnold <[email protected]>
Fixes build on hardened PAX host with gcc-5 (linker error on relocs). Completes no-PIE config by adding to ALL_* flags variables. Borrowed from Gentoo gcc patches, tested on 2 hardened amd64 hosts.
Upstream-Status: Inappropriate [configuration]
Commited by: Gentoo Toolchain Project <[email protected]>
Signed-off-by Stephen Arnold <[email protected]>
the patch is ok but please add this patch header to the gcc patch itself not to OE patch. Secondly, gitify the patch on top of gcc-6 e.g.
https://github.com/kraj/gcc/tree/oe/gcc-6-branch
Quoted 49 lines
--- meta/recipes-devtools/gcc/gcc-6.2.inc | 1 + .../gcc/gcc-6.2/0054_all_nopie-all-flags.patch | 17 +++++++++++++++++ 2 files changed, 18 insertions(+) create mode 100644 meta/recipes-devtools/gcc/gcc-6.2/0054_all_nopie-all-flags.patchmeta/recipes-devtools/gcc/gcc-6.2.inc +1
-0@@ -78,6 +78,7 @@ SRC_URI = "\ file://0045-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch \ file://0046-Link-libgcc-using-LDFLAGS-not-just-SHLIB_LDFLAGS.patch \ file://0047-libgcc_s-Use-alias-for-__cpu_indicator_init-instead-.patch \ + file://0054_all_nopie-all-flags.patch \ ${BACKPORTS} \ " BACKPORTS = ""meta/recipes-devtools/gcc/gcc-6.2/0054_all_nopie-all-flags.patch new file +17
-1@@ -0,0 +1,17 @@ +We need to pass NO_PIE_CFLAGS to ALL_* so gcc doesn't fail when +we compile it with older gcc and pie. + +--- a/gcc/Makefile.in 2015-06-25 19:18:12.000000000 +0200 ++++ b/gcc/Makefile.in 2016-04-22 00:12:54.029178860 +0200 +@@ -991,10 +991,10 @@ ALL_CXXFLAGS = $(T_CFLAGS) $(CFLAGS-$@) + ALL_CPPFLAGS = $(INCLUDES) $(CPPFLAGS) + + # This is the variable to use when using $(COMPILER). +-ALL_COMPILERFLAGS = $(ALL_CXXFLAGS) ++ALL_COMPILERFLAGS = $(NO_PIE_CFLAGS) $(ALL_CXXFLAGS) + + # This is the variable to use when using $(LINKER). +-ALL_LINKERFLAGS = $(ALL_CXXFLAGS) ++ALL_LINKERFLAGS = $(NO_PIE_CFLAGS) $(ALL_CXXFLAGS) + + # Build and host support libraries. --2.11.1
--
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