/usr/src/gcc-6/debian/patches/link-libs.diff is in gcc-6-source 6.4.0-17ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | #DP: Link libraries with -01.
---
gcc/config/t-slibgcc-elf-ver | 1 +
libffi/Makefile.am | 2 +-
libffi/Makefile.in | 2 +-
libgfortran/Makefile.am | 2 +-
libgfortran/Makefile.in | 2 +-
libjava/Makefile.am | 2 +-
libjava/Makefile.in | 2 +-
libmudflap/Makefile.am | 4 ++--
libmudflap/Makefile.in | 4 ++--
libobjc/Makefile.in | 2 ++
libstdc++-v3/src/Makefile.am | 1 +
libstdc++-v3/src/Makefile.in | 1 +
12 files changed, 15 insertions(+), 10 deletions(-)
--- a/src/gcc/config/t-slibgcc-elf-ver.orig 2009-09-10
+++ b/src/gcc/config/t-slibgcc-elf-ver 2009-12-22
@@ -35,6 +35,7 @@
SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared -nodefaultlibs \
-Wl,--soname=$(SHLIB_SONAME) \
-Wl,--version-script=$(SHLIB_MAP) \
+ -Wl,-O1 \
-o $(SHLIB_DIR)/$(SHLIB_SONAME).tmp @multilib_flags@ \
$(SHLIB_OBJS) $(SHLIB_LC) && \
rm -f $(SHLIB_DIR)/$(SHLIB_SOLINK) && \
--- a/src/libffi/Makefile.am.orig 2009-08-23
+++ b/src/libffi/Makefile.am 2009-12-22
@@ -164,7 +164,7 @@
LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS))
-libffi_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` $(LTLDFLAGS)
+libffi_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` $(LTLDFLAGS) -Wl,-O1
AM_CPPFLAGS = -I. -I$(top_srcdir)/include -Iinclude -I$(top_srcdir)/src
AM_CCASFLAGS = $(AM_CPPFLAGS)
--- a/src/libffi/Makefile.in.orig 2009-12-07
+++ b/src/libffi/Makefile.in 2009-12-22
@@ -468,7 +468,7 @@
nodist_libffi_convenience_la_SOURCES = $(nodist_libffi_la_SOURCES)
AM_CFLAGS = -Wall -g -fexceptions
LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS))
-libffi_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` $(LTLDFLAGS)
+libffi_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` $(LTLDFLAGS) -Wl,-O1
AM_CPPFLAGS = -I. -I$(top_srcdir)/include -Iinclude -I$(top_srcdir)/src
AM_CCASFLAGS = $(AM_CPPFLAGS)
all: fficonfig.h
--- a/src/libgfortran/Makefile.am.orig 2009-12-01
+++ b/src/libgfortran/Makefile.am 2009-12-22
@@ -18,7 +18,7 @@
toolexeclib_LTLIBRARIES = libgfortran.la
libgfortran_la_LINK = $(LINK) $(libgfortran_la_LDFLAGS)
-libgfortran_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` $(LTLDFLAGS) -lm $(extra_ldflags_libgfortran) $(version_arg)
+libgfortran_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` $(LTLDFLAGS) -lm $(extra_ldflags_libgfortran) $(version_arg) -Wl,-O1
myexeclib_LTLIBRARIES = libgfortranbegin.la
myexeclibdir = $(libdir)/gcc/$(target_alias)/$(gcc_version)$(MULTISUBDIR)
--- a/src/libgfortran/Makefile.in.orig 2009-12-07
+++ b/src/libgfortran/Makefile.in 2009-12-22
@@ -976,7 +976,7 @@
toolexeclib_LTLIBRARIES = libgfortran.la
libgfortran_la_LINK = $(LINK) $(libgfortran_la_LDFLAGS)
-libgfortran_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` $(LTLDFLAGS) -lm $(extra_ldflags_libgfortran) $(version_arg)
+libgfortran_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` $(LTLDFLAGS) -lm $(extra_ldflags_libgfortran) $(version_arg) -Wl,-O1
myexeclib_LTLIBRARIES = libgfortranbegin.la
myexeclibdir = $(libdir)/gcc/$(target_alias)/$(gcc_version)$(MULTISUBDIR)
libgfortranbegin_la_SOURCES = fmain.c
--- a/src/libjava/Makefile.am.orig 2009-12-21
+++ b/src/libjava/Makefile.am 2009-12-22
@@ -299,7 +299,7 @@
GCJ_FOR_ECJX = @GCJ_FOR_ECJX@
GCJ_FOR_ECJX_LINK = $(GCJ_FOR_ECJX) -o $@
LIBLINK = $(LIBTOOL) --tag=CXX $(LIBTOOLFLAGS) --mode=link $(CXX) -L$(here) \
- $(JC1FLAGS) $(LTLDFLAGS) $(extra_ldflags_libjava) $(extra_ldflags) -o $@
+ $(JC1FLAGS) $(LTLDFLAGS) $(extra_ldflags_libjava) $(extra_ldflags) -Wl,-O1 -o $@
CXXLINK = $(LIBTOOL) --tag=CXX $(LIBTOOLFLAGS) --mode=link $(CXXLD) \
$(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LTLDFLAGS) -o $@
--- a/src/libjava/Makefile.in.orig 2009-12-21
+++ b/src/libjava/Makefile.in 2009-12-22
@@ -1073,7 +1073,7 @@
GCJ_FOR_ECJX_LINK = $(GCJ_FOR_ECJX) -o $@
LIBLINK = $(LIBTOOL) --tag=CXX $(LIBTOOLFLAGS) --mode=link $(CXX) -L$(here) \
- $(JC1FLAGS) $(LTLDFLAGS) $(extra_ldflags_libjava) $(extra_ldflags) -o $@
+ $(JC1FLAGS) $(LTLDFLAGS) $(extra_ldflags_libjava) $(extra_ldflags) -Wl,-O1 -o $@
CXXLINK = $(LIBTOOL) --tag=CXX $(LIBTOOLFLAGS) --mode=link $(CXXLD) \
$(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LTLDFLAGS) -o $@
--- a/src/libmudflap/Makefile.am.orig 2009-08-23
+++ b/src/libmudflap/Makefile.am 2009-12-22
@@ -34,7 +34,7 @@
mf-hooks2.c
libmudflap_la_LIBADD =
libmudflap_la_DEPENDENCIES = $(libmudflap_la_LIBADD)
-libmudflap_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version`
+libmudflap_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` -Wl,-O1
libmudflapth_la_SOURCES = \
@@ -46,7 +46,7 @@
libmudflapth_la_CFLAGS = -DLIBMUDFLAPTH
libmudflapth_la_LIBADD =
libmudflapth_la_DEPENDENCIES = $(libmudflapth_la_LIBADD)
-libmudflapth_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version`
+libmudflapth_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` -Wl,-O1
# XXX hack alert
--- a/src/libmudflap/Makefile.in.orig 2009-12-07
+++ b/src/libmudflap/Makefile.in 2009-12-22
@@ -320,7 +320,7 @@
libmudflap_la_LIBADD =
libmudflap_la_DEPENDENCIES = $(libmudflap_la_LIBADD)
-libmudflap_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version`
+libmudflap_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` -Wl,-O1
libmudflapth_la_SOURCES = \
mf-runtime.c \
mf-heuristics.c \
@@ -331,7 +331,7 @@
libmudflapth_la_CFLAGS = -DLIBMUDFLAPTH
libmudflapth_la_LIBADD =
libmudflapth_la_DEPENDENCIES = $(libmudflapth_la_LIBADD)
-libmudflapth_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version`
+libmudflapth_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` -Wl,-O1
# XXX hack alert
# From libffi/Makefile.am
--- a/src/libobjc/Makefile.in.orig 2009-08-23
+++ b/src/libobjc/Makefile.in 2009-12-22
@@ -282,12 +282,14 @@
libobjc$(libsuffix).la: $(OBJS)
$(LIBTOOL_LINK) $(CC) -o $@ $(OBJS) \
-rpath $(toolexeclibdir) \
+ -Wl,-O1 \
-version-info $(LIBOBJC_VERSION) $(extra_ldflags_libobjc) \
$(LTLDFLAGS)
libobjc_gc$(libsuffix).la: $(OBJS_GC)
$(LIBTOOL_LINK) $(CC) -o $@ $(OBJS_GC) $(OBJC_BOEHM_GC_LIBS) \
-rpath $(toolexeclibdir) \
+ -Wl,-O1 \
-version-info $(LIBOBJC_GC_VERSION) $(extra_ldflags_libobjc) \
$(LTLDFLAGS)
--- a/src/libstdc++-v3/src/Makefile.am.orig 2009-12-21
+++ b/src/libstdc++-v3/src/Makefile.am 2009-12-22
@@ -207,6 +207,7 @@
$(top_builddir)/libsupc++/libsupc++convenience.la
libstdc___la_LDFLAGS = \
+ -Wl,-O1 \
-version-info $(libtool_VERSION) ${version_arg} -lm
libstdc___la_LINK = $(CXXLINK) $(libstdc___la_LDFLAGS)
--- a/src/libstdc++-v3/src/Makefile.in.orig 2009-12-21
+++ b/src/libstdc++-v3/src/Makefile.in 2009-12-22
@@ -444,6 +444,7 @@
$(top_builddir)/libsupc++/libsupc++convenience.la
libstdc___la_LDFLAGS = \
+ -Wl,-O1 \
-version-info $(libtool_VERSION) ${version_arg} -lm
libstdc___la_LINK = $(CXXLINK) $(libstdc___la_LDFLAGS)
|