gcc: Harden this package

[people/stevee/ipfire-3.x.git] / gcc / patches / 0002-libcc1-Export-all-symbols.patch

diff --git a/gcc/patches/0002-libcc1-Export-all-symbols.patch b/gcc/patches/0002-libcc1-Export-all-symbols.patch
new file mode 100644 (file)
index 0000000..113c314
--- /dev/null
+++ b/gcc/patches/0002-libcc1-Export-all-symbols.patch
@@ -0,0 +1,80 @@
+From 439c8e21de5245d3f345bd796f3131be319f54d2 Mon Sep 17 00:00:00 2001
+From: Michael Tremer <michael.tremer@ipfire.org>
+Date: Tue, 21 Mar 2023 17:52:04 +0000
+Subject: [PATCH 2/2] libcc1: Export all symbols
+
+This patches removes the -export-symbols option when linking libcc1 and
+its plugins as it is breaking our hardening check where we are looking
+for a reference to __stack_chk_fail in the symbol table.
+
+Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
+---
+ libcc1/Makefile.am | 6 +++---
+ libcc1/Makefile.in | 6 +++---
+ 2 files changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/libcc1/Makefile.am b/libcc1/Makefile.am
+index 6e3a34ff7e2..7eb8ec9178c 100644
+--- a/libcc1/Makefile.am
++++ b/libcc1/Makefile.am
+@@ -54,7 +54,7 @@ shared_source = callbacks.cc callbacks.hh connection.cc connection.hh \
+ marshall_c_source = marshall-c.hh
+ marshall_cxx_source = marshall-cp.hh
+ 
+-libcc1plugin_la_LDFLAGS = -module -export-symbols $(srcdir)/libcc1plugin.sym
++libcc1plugin_la_LDFLAGS = -module
+ libcc1plugin_la_SOURCES = libcc1plugin.cc context.cc context.hh \
+       $(shared_source) $(marshall_c_source)
+ libcc1plugin.lo_CPPFLAGS = $(CPPFLAGS_FOR_C)
+@@ -64,7 +64,7 @@ libcc1plugin_la_LINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) \
+       $(LIBTOOLFLAGS) --mode=link $(CXXLD) $(AM_CXXFLAGS) \
+       $(CXXFLAGS) $(libcc1plugin_la_LDFLAGS) $(LTLDFLAGS) -o $@
+ 
+-libcp1plugin_la_LDFLAGS = -module -export-symbols $(srcdir)/libcp1plugin.sym
++libcp1plugin_la_LDFLAGS = -module
+ libcp1plugin_la_SOURCES = libcp1plugin.cc context.cc context.hh \
+       $(shared_source) $(marshall_cxx_source)
+ libcp1plugin.lo_CPPFLAGS = $(CPPFLAGS_FOR_CXX)
+@@ -75,7 +75,7 @@ libcp1plugin_la_LINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) \
+       $(CXXFLAGS) $(libcp1plugin_la_LDFLAGS) $(LTLDFLAGS) -o $@
+ 
+ LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS))
+-libcc1_la_LDFLAGS = -module -export-symbols $(srcdir)/libcc1.sym
++libcc1_la_LDFLAGS = -module
+ libcc1_la_SOURCES = findcomp.cc libcc1.cc libcp1.cc \
+               compiler.cc compiler.hh names.cc names.hh $(shared_source) \
+               $(marshall_c_source) $(marshall_cxx_source)
+diff --git a/libcc1/Makefile.in b/libcc1/Makefile.in
+index f8f590d71e9..aa3d45bcef4 100644
+--- a/libcc1/Makefile.in
++++ b/libcc1/Makefile.in
+@@ -405,7 +405,7 @@ shared_source = callbacks.cc callbacks.hh connection.cc connection.hh \
+ 
+ marshall_c_source = marshall-c.hh
+ marshall_cxx_source = marshall-cp.hh
+-libcc1plugin_la_LDFLAGS = -module -export-symbols $(srcdir)/libcc1plugin.sym
++libcc1plugin_la_LDFLAGS = -module
+ libcc1plugin_la_SOURCES = libcc1plugin.cc context.cc context.hh \
+       $(shared_source) $(marshall_c_source)
+ 
+@@ -416,7 +416,7 @@ libcc1plugin_la_LINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) \
+       $(LIBTOOLFLAGS) --mode=link $(CXXLD) $(AM_CXXFLAGS) \
+       $(CXXFLAGS) $(libcc1plugin_la_LDFLAGS) $(LTLDFLAGS) -o $@
+ 
+-libcp1plugin_la_LDFLAGS = -module -export-symbols $(srcdir)/libcp1plugin.sym
++libcp1plugin_la_LDFLAGS = -module
+ libcp1plugin_la_SOURCES = libcp1plugin.cc context.cc context.hh \
+       $(shared_source) $(marshall_cxx_source)
+ 
+@@ -428,7 +428,7 @@ libcp1plugin_la_LINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) \
+       $(CXXFLAGS) $(libcp1plugin_la_LDFLAGS) $(LTLDFLAGS) -o $@
+ 
+ LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS))
+-libcc1_la_LDFLAGS = -module -export-symbols $(srcdir)/libcc1.sym
++libcc1_la_LDFLAGS = -module
+ libcc1_la_SOURCES = findcomp.cc libcc1.cc libcp1.cc \
+               compiler.cc compiler.hh names.cc names.hh $(shared_source) \
+               $(marshall_c_source) $(marshall_cxx_source)
+-- 
+2.30.2
+