gcc: add 4.9-linaro based on the 2014.09 release

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 42706
v19.07.3_mercusys_ac12_duma
Felix Fietkau 10 years ago
parent 1637363e95
commit cb119e2a69

@ -25,6 +25,10 @@ choice
select GCC_VERSION_4_8_LINARO
bool "gcc 4.8.x with Linaro enhancements"
config GCC_USE_VERSION_4_9_LINARO
select GCC_VERSION_4_9_LINARO
bool "gcc 4.9.x with Linaro enhancements"
endchoice
config GCC_USE_GRAPHITE

@ -13,6 +13,9 @@ config GCC_VERSION_4_8_LINARO
config GCC_VERSION_4_8_0
bool
config GCC_VERSION_4_9_LINARO
bool
config GCC_VERSION
string
default "4.4.7" if GCC_VERSION_4_4_7
@ -20,6 +23,7 @@ config GCC_VERSION
default "4.8.0" if GCC_VERSION_4_8_0
default "4.6-linaro" if GCC_VERSION_4_6_LINARO
default "4.8-linaro" if GCC_VERSION_4_8_LINARO
default "4.9-linaro" if GCC_VERSION_4_9_LINARO
default "4.6-linaro"
config GCC_VERSION_4_4
@ -34,3 +38,6 @@ config GCC_VERSION_4_8
bool
default y if (GCC_VERSION_4_8_0 || GCC_VERSION_4_8_LINARO)
config GCC_VERSION_4_9
bool
default y if GCC_VERSION_4_9_LINARO

@ -26,6 +26,7 @@ PKG_VERSION:=$(firstword $(subst +, ,$(GCC_VERSION)))
GCC_DIR:=$(PKG_NAME)-$(PKG_VERSION)
ifeq ($(findstring linaro, $(CONFIG_GCC_VERSION)),linaro)
LINARO_RELEASE:=
ifeq ($(CONFIG_GCC_VERSION),"4.6-linaro")
PKG_REV:=4.6-2013.05
PKG_VERSION:=4.6.4
@ -40,7 +41,19 @@ ifeq ($(findstring linaro, $(CONFIG_GCC_VERSION)),linaro)
PKG_MD5SUM:=5ba2f3a449b1658ccc09d27cc7ab3c03
PKG_COMP:=xz
endif
PKG_SOURCE_URL:=http://launchpad.net/gcc-linaro/$(PKG_VERSION_MAJOR)/$(PKG_REV)/+download/
ifeq ($(CONFIG_GCC_VERSION),"4.9-linaro")
LINARO_RELEASE:=14.09
PKG_REV:=4.9-2014.09
PKG_VERSION:=4.9.2
PKG_VERSION_MAJOR:=4.9
PKG_MD5SUM:=ac920b5800623ff99137d3cf23ad09ca
PKG_COMP:=xz
endif
ifneq ($(LINARO_RELEASE),)
PKG_SOURCE_URL:=http://releases.linaro.org/$(LINARO_RELEASE)/components/toolchain/gcc-linaro/$(PKG_VERSION_MAJOR)
else
PKG_SOURCE_URL:=http://launchpad.net/gcc-linaro/$(PKG_VERSION_MAJOR)/$(PKG_REV)/+download/
endif
PKG_SOURCE:=$(PKG_NAME)-linaro-$(PKG_REV).tar.$(PKG_COMP)
GCC_DIR:=gcc-linaro-$(PKG_REV)
HOST_BUILD_DIR:=$(BUILD_DIR_TOOLCHAIN)/$(GCC_DIR)

@ -0,0 +1,65 @@
Revert of:
commit 275035b56823b26d5fb7e90fad945b998648edf2
Author: bergner <bergner@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu Sep 5 14:09:07 2013 +0000
PR target/58139
* reginfo.c (choose_hard_reg_mode): Scan through all mode classes
looking for widest mode.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202286 138bc75d-0d04-0410-961f-82ee72b054a4
--- a/gcc/reginfo.c
+++ b/gcc/reginfo.c
@@ -621,35 +621,40 @@ choose_hard_reg_mode (unsigned int regno
mode = GET_MODE_WIDER_MODE (mode))
if ((unsigned) hard_regno_nregs[regno][mode] == nregs
&& HARD_REGNO_MODE_OK (regno, mode)
- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
+ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
found_mode = mode;
+ if (found_mode != VOIDmode)
+ return found_mode;
+
for (mode = GET_CLASS_NARROWEST_MODE (MODE_FLOAT);
mode != VOIDmode;
mode = GET_MODE_WIDER_MODE (mode))
if ((unsigned) hard_regno_nregs[regno][mode] == nregs
&& HARD_REGNO_MODE_OK (regno, mode)
- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
+ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
found_mode = mode;
+ if (found_mode != VOIDmode)
+ return found_mode;
+
for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_FLOAT);
mode != VOIDmode;
mode = GET_MODE_WIDER_MODE (mode))
if ((unsigned) hard_regno_nregs[regno][mode] == nregs
&& HARD_REGNO_MODE_OK (regno, mode)
- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
+ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
found_mode = mode;
+ if (found_mode != VOIDmode)
+ return found_mode;
+
for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_INT);
mode != VOIDmode;
mode = GET_MODE_WIDER_MODE (mode))
if ((unsigned) hard_regno_nregs[regno][mode] == nregs
&& HARD_REGNO_MODE_OK (regno, mode)
- && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))
- && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode))
+ && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)))
found_mode = mode;
if (found_mode != VOIDmode)

@ -0,0 +1,23 @@
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -2842,18 +2842,10 @@ doc/gcc.info: $(TEXI_GCC_FILES)
doc/gccint.info: $(TEXI_GCCINT_FILES)
doc/cppinternals.info: $(TEXI_CPPINT_FILES)
-doc/%.info: %.texi
- if [ x$(BUILD_INFO) = xinfo ]; then \
- $(MAKEINFO) $(MAKEINFOFLAGS) -I . -I $(gcc_docdir) \
- -I $(gcc_docdir)/include -o $@ $<; \
- fi
+doc/%.info:
# Duplicate entry to handle renaming of gccinstall.info
-doc/gccinstall.info: $(TEXI_GCCINSTALL_FILES)
- if [ x$(BUILD_INFO) = xinfo ]; then \
- $(MAKEINFO) $(MAKEINFOFLAGS) -I $(gcc_docdir) \
- -I $(gcc_docdir)/include -o $@ $<; \
- fi
+doc/gccinstall.info:
doc/cpp.dvi: $(TEXI_CPP_FILES)
doc/gcc.dvi: $(TEXI_GCC_FILES)

@ -0,0 +1,33 @@
--- a/contrib/regression/objs-gcc.sh
+++ b/contrib/regression/objs-gcc.sh
@@ -106,6 +106,10 @@ if [ $H_REAL_TARGET = $H_REAL_HOST -a $H
then
make all-gdb all-dejagnu all-ld || exit 1
make install-gdb install-dejagnu install-ld || exit 1
+elif [ $H_REAL_TARGET = $H_REAL_HOST -a $H_REAL_TARGET = i686-pc-linux-uclibc ]
+ then
+ make all-gdb all-dejagnu all-ld || exit 1
+ make install-gdb install-dejagnu install-ld || exit 1
elif [ $H_REAL_TARGET = $H_REAL_HOST ] ; then
make bootstrap || exit 1
make install || exit 1
--- a/libjava/classpath/ltconfig
+++ b/libjava/classpath/ltconfig
@@ -603,7 +603,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-
# Transform linux* to *-*-linux-gnu*, to support old configure scripts.
case $host_os in
-linux-gnu*) ;;
+linux-gnu*|linux-uclibc*) ;;
linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
esac
@@ -1247,7 +1247,7 @@ linux-gnuoldld* | linux-gnuaout* | linux
;;
# This must be Linux ELF.
-linux-gnu*)
+linux*)
version_type=linux
need_lib_prefix=no
need_version=no

@ -0,0 +1,320 @@
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -594,7 +594,7 @@ case ${target} in
esac
# Common C libraries.
-tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3"
+tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4"
# 32-bit x86 processors supported by --with-arch=. Each processor
# MUST be separated by exactly one space.
@@ -719,6 +719,9 @@ case ${target} in
*-*-*uclibc*)
tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC"
;;
+ *-*-*musl*)
+ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL"
+ ;;
*)
tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC"
;;
--- a/gcc/config/arm/linux-eabi.h
+++ b/gcc/config/arm/linux-eabi.h
@@ -77,6 +77,10 @@
%{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \
%{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}"
+/* musl has no "classic" (i.e. broken) mode */
+#undef MUSL_DYNAMIC_LINKER
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-arm.so.1"
+
/* At this point, bpabi.h will have clobbered LINK_SPEC. We want to
use the GNU/Linux version, not the generic BPABI version. */
#undef LINK_SPEC
--- a/gcc/config/i386/linux.h
+++ b/gcc/config/i386/linux.h
@@ -21,3 +21,4 @@ along with GCC; see the file COPYING3.
#define GNU_USER_LINK_EMULATION "elf_i386"
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1"
--- a/gcc/config/i386/linux64.h
+++ b/gcc/config/i386/linux64.h
@@ -30,3 +30,7 @@ see the files COPYING3 and COPYING.RUNTI
#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
#define GLIBC_DYNAMIC_LINKERX32 "/libx32/ld-linux-x32.so.2"
+
+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1"
+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1"
+#define MUSL_DYNAMIC_LINKERX32 "/lib/ld-musl-x32.so.1"
--- a/gcc/config/linux.h
+++ b/gcc/config/linux.h
@@ -32,10 +32,12 @@ see the files COPYING3 and COPYING.RUNTI
#define OPTION_GLIBC (DEFAULT_LIBC == LIBC_GLIBC)
#define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC)
#define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC)
+#define OPTION_MUSL (DEFAULT_LIBC == LIBC_MUSL)
#else
#define OPTION_GLIBC (linux_libc == LIBC_GLIBC)
#define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC)
#define OPTION_BIONIC (linux_libc == LIBC_BIONIC)
+#define OPTION_MUSL (linux_libc == LIBC_MUSL)
#endif
#define GNU_USER_TARGET_OS_CPP_BUILTINS() \
@@ -53,18 +55,21 @@ see the files COPYING3 and COPYING.RUNTI
uClibc or Bionic is the default C library and whether
-muclibc or -mglibc or -mbionic has been passed to change the default. */
-#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LD1, LD2, LD3) \
- "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:" LD1 "}}"
+#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LIBC4, LD1, LD2, LD3, LD4) \
+ "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:%{" LIBC4 ":" LD4 ";:" LD1 "}}}"
#if DEFAULT_LIBC == LIBC_GLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
- CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", G, U, B)
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+ CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", "mmusl", G, U, B, M)
#elif DEFAULT_LIBC == LIBC_UCLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
- CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", U, G, B)
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+ CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", "mmusl", U, G, B, M)
#elif DEFAULT_LIBC == LIBC_BIONIC
-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
- CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", B, G, U)
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+ CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", "mmusl", B, G, U, M)
+#elif DEFAULT_LIBC == LIBC_MUSL
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+ CHOOSE_DYNAMIC_LINKER1 ("mmusl", "mglibc", "muclibc", "mbionic", M, G, U, B)
#else
#error "Unsupported DEFAULT_LIBC"
#endif /* DEFAULT_LIBC */
@@ -84,16 +89,16 @@ see the files COPYING3 and COPYING.RUNTI
#define GNU_USER_DYNAMIC_LINKER \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \
- BIONIC_DYNAMIC_LINKER)
+ BIONIC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER)
#define GNU_USER_DYNAMIC_LINKER32 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \
- BIONIC_DYNAMIC_LINKER32)
+ BIONIC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32)
#define GNU_USER_DYNAMIC_LINKER64 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \
- BIONIC_DYNAMIC_LINKER64)
+ BIONIC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64)
#define GNU_USER_DYNAMIC_LINKERX32 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERX32, UCLIBC_DYNAMIC_LINKERX32, \
- BIONIC_DYNAMIC_LINKERX32)
+ BIONIC_DYNAMIC_LINKERX32, MUSL_DYNAMIC_LINKERX32)
/* Whether we have Bionic libc runtime */
#undef TARGET_HAS_BIONIC
--- a/gcc/config/linux.opt
+++ b/gcc/config/linux.opt
@@ -30,3 +30,7 @@ Use GNU C library
muclibc
Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mbionic)
Use uClibc C library
+
+mmusl
+Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mglibc)
+Use musl C library
--- a/gcc/config/mips/linux.h
+++ b/gcc/config/mips/linux.h
@@ -23,3 +23,5 @@ along with GCC; see the file COPYING3.
#undef UCLIBC_DYNAMIC_LINKER
#define UCLIBC_DYNAMIC_LINKER \
"%{mnan=2008:/lib/ld-uClibc-mipsn8.so.0;:/lib/ld-uClibc.so.0}"
+
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips.so.1"
--- a/gcc/config/rs6000/linux64.h
+++ b/gcc/config/rs6000/linux64.h
@@ -375,17 +375,21 @@ extern int dot_symbols;
#endif
#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
#define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-powerpc.so.1"
+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-powerpc64.so.1"
#if DEFAULT_LIBC == LIBC_UCLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}"
#elif DEFAULT_LIBC == LIBC_GLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}"
+#elif DEFAULT_LIBC == LIBC_MUSL
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}"
#else
#error "Unsupported DEFAULT_LIBC"
#endif
#define GNU_USER_DYNAMIC_LINKER32 \
- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32)
#define GNU_USER_DYNAMIC_LINKER64 \
- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64)
#undef DEFAULT_ASM_ENDIAN
#if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN)
--- a/gcc/config/rs6000/sysv4.h
+++ b/gcc/config/rs6000/sysv4.h
@@ -763,15 +763,18 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEF
#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-powerpc.so.1"
#if DEFAULT_LIBC == LIBC_UCLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}"
+#elif DEFAULT_LIBC == LIBC_MUSL
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}"
#elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}"
#else
#error "Unsupported DEFAULT_LIBC"
#endif
#define GNU_USER_DYNAMIC_LINKER \
- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER)
#define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
%{rdynamic:-export-dynamic} \
--- a/gcc/ginclude/stddef.h
+++ b/gcc/ginclude/stddef.h
@@ -181,6 +181,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
#ifndef _GCC_SIZE_T
#ifndef _SIZET_
#ifndef __size_t
+#ifndef __DEFINED_size_t /* musl */
#define __size_t__ /* BeOS */
#define __SIZE_T__ /* Cray Unicos/Mk */
#define _SIZE_T
@@ -197,6 +198,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
#define ___int_size_t_h
#define _GCC_SIZE_T
#define _SIZET_
+#define __DEFINED_size_t /* musl */
#if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \
|| defined(__FreeBSD_kernel__)
/* __size_t is a typedef on FreeBSD 5, must not trash it. */
@@ -214,6 +216,7 @@ typedef __SIZE_TYPE__ size_t;
typedef long ssize_t;
#endif /* __BEOS__ */
#endif /* !(defined (__GNUG__) && defined (size_t)) */
+#endif /* __DEFINED_size_t */
#endif /* __size_t */
#endif /* _SIZET_ */
#endif /* _GCC_SIZE_T */
--- a/libgomp/config/posix/time.c
+++ b/libgomp/config/posix/time.c
@@ -28,6 +28,8 @@
The following implementation uses the most simple POSIX routines.
If present, POSIX 4 clocks should be used instead. */
+#define _POSIX_C_SOURCE 199309L /* for clocks */
+
#include "libgomp.h"
#include <unistd.h>
#if TIME_WITH_SYS_TIME
--- a/libitm/config/arm/hwcap.cc
+++ b/libitm/config/arm/hwcap.cc
@@ -40,7 +40,11 @@ int GTM_hwcap HIDDEN = 0
#ifdef __linux__
#include <unistd.h>
+#ifdef __GLIBC__
#include <sys/fcntl.h>
+#else
+#include <fcntl.h>
+#endif
#include <elf.h>
static void __attribute__((constructor))
--- a/libitm/config/linux/x86/tls.h
+++ b/libitm/config/linux/x86/tls.h
@@ -25,16 +25,19 @@
#ifndef LIBITM_X86_TLS_H
#define LIBITM_X86_TLS_H 1
-#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10)
+#if defined(__GLIBC_PREREQ)
+#if __GLIBC_PREREQ(2, 10)
/* Use slots in the TCB head rather than __thread lookups.
GLIBC has reserved words 10 through 13 for TM. */
#define HAVE_ARCH_GTM_THREAD 1
#define HAVE_ARCH_GTM_THREAD_DISP 1
#endif
+#endif
#include "config/generic/tls.h"
-#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10)
+#if defined(__GLIBC_PREREQ)
+#if __GLIBC_PREREQ(2, 10)
namespace GTM HIDDEN {
#ifdef __x86_64__
@@ -101,5 +104,6 @@ static inline void set_abi_disp(struct a
} // namespace GTM
#endif /* >= GLIBC 2.10 */
+#endif
#endif // LIBITM_X86_TLS_H
--- a/libstdc++-v3/configure.host
+++ b/libstdc++-v3/configure.host
@@ -264,6 +264,13 @@ case "${host_os}" in
os_include_dir="os/bsd/freebsd"
;;
gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
+ # check for musl by target
+ case "${host_os}" in
+ *-musl*)
+ os_include_dir="os/generic"
+ ;;
+ *)
+
if [ "$uclibc" = "yes" ]; then
os_include_dir="os/uclibc"
elif [ "$bionic" = "yes" ]; then
@@ -272,6 +279,9 @@ case "${host_os}" in
os_include_dir="os/gnu-linux"
fi
;;
+
+ esac
+ ;;
hpux*)
os_include_dir="os/hpux"
;;
--- a/gcc/config/mips/linux64.h
+++ b/gcc/config/mips/linux64.h
@@ -39,6 +39,9 @@ along with GCC; see the file COPYING3.
"%{mnan=2008:/lib32/ld-uClibc-mipsn8.so.0;:/lib32/ld-uClibc.so.0}"
#define BIONIC_DYNAMIC_LINKERN32 "/system/bin/linker32"
+#define MUSL_DYNAMIC_LINKERN32 "/lib/ld-musl-mips.so.1"
+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-mips.so.1"
+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-mips.so.1"
#define GNU_USER_DYNAMIC_LINKERN32 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, \
- BIONIC_DYNAMIC_LINKERN32)
+ BIONIC_DYNAMIC_LINKERN32, MUSL_DYNAMIC_LINKERN32)
--- a/gcc/config/sparc/linux64.h
+++ b/gcc/config/sparc/linux64.h
@@ -95,6 +95,9 @@ along with GCC; see the file COPYING3.
#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux.so.2"
+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-sparc.so.1"
+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-sparc.so.1"
+
#ifdef SPARC_BI_ARCH
#undef SUBTARGET_EXTRA_SPECS

@ -0,0 +1,11 @@
--- a/libsanitizer/interception/interception_type_test.cc
+++ b/libsanitizer/interception/interception_type_test.cc
@@ -31,7 +31,7 @@ COMPILER_CHECK(sizeof(OFF64_T) == sizeof
// rest (they depend on _FILE_OFFSET_BITS setting when building an application).
# if defined(__ANDROID__) || !defined _FILE_OFFSET_BITS || \
_FILE_OFFSET_BITS != 64
-COMPILER_CHECK(sizeof(OFF_T) == sizeof(off_t));
+// COMPILER_CHECK(sizeof(OFF_T) == sizeof(off_t));
# endif
#endif

@ -0,0 +1,11 @@
--- a/gcc/config/arm/arm.h
+++ b/gcc/config/arm/arm.h
@@ -282,7 +282,7 @@ extern void (*arm_lang_output_object_att
/* Thumb-1 only. */
#define TARGET_THUMB1_ONLY (TARGET_THUMB1 && !arm_arch_notm)
-#define TARGET_LDRD (arm_arch5e && ARM_DOUBLEWORD_ALIGN \
+#define TARGET_LDRD (arm_arch6 && ARM_DOUBLEWORD_ALIGN \
&& !TARGET_THUMB1)
#define TARGET_CRC32 (arm_arch_crc)

@ -0,0 +1,25 @@
--- a/libgcc/config/arm/t-linux
+++ b/libgcc/config/arm/t-linux
@@ -1,6 +1,10 @@
LIB1ASMSRC = arm/lib1funcs.S
LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx _clzsi2 _clzdi2 \
- _ctzsi2 _arm_addsubdf3 _arm_addsubsf3
+ _ctzsi2 _arm_addsubdf3 _arm_addsubsf3 \
+ _arm_negdf2 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \
+ _arm_fixdfsi _arm_fixunsdfsi _arm_truncdfsf2 \
+ _arm_negsf2 _arm_muldivsf3 _arm_cmpsf2 _arm_unordsf2 \
+ _arm_fixsfsi _arm_fixunssfsi
# Just for these, we omit the frame pointer since it makes such a big
# difference.
--- a/gcc/config/arm/linux-elf.h
+++ b/gcc/config/arm/linux-elf.h
@@ -60,8 +60,6 @@
%{shared:-lc} \
%{!shared:%{profile:-lc_p}%{!profile:-lc}}"
-#define LIBGCC_SPEC "%{mfloat-abi=soft*:-lfloat} -lgcc"
-
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
#define LINUX_TARGET_LINK_SPEC "%{h*} \

@ -0,0 +1,36 @@
--- a/libgcc/Makefile.in
+++ b/libgcc/Makefile.in
@@ -881,11 +881,12 @@ $(libgcov-driver-objects): %$(objext): $
# Static libraries.
libgcc.a: $(libgcc-objects)
+libgcc_pic.a: $(libgcc-s-objects)
libgcov.a: $(libgcov-objects)
libunwind.a: $(libunwind-objects)
libgcc_eh.a: $(libgcc-eh-objects)
-libgcc.a libgcov.a libunwind.a libgcc_eh.a:
+libgcc.a libgcov.a libunwind.a libgcc_eh.a libgcc_pic.a:
-rm -f $@
objects="$(objects)"; \
@@ -907,7 +908,7 @@ libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_E
endif
ifeq ($(enable_shared),yes)
-all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
+all: libgcc_eh.a libgcc_pic.a libgcc_s$(SHLIB_EXT)
ifneq ($(LIBUNWIND),)
all: libunwind$(SHLIB_EXT)
endif
@@ -1090,6 +1091,10 @@ install-shared:
chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
+ $(INSTALL_DATA) libgcc_pic.a $(mapfile) $(DESTDIR)$(inst_libdir)/
+ chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_pic.a
+ $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_pic.a
+
$(subst @multilib_dir@,$(MULTIDIR),$(subst \
@shlib_base_name@,libgcc_s,$(subst \
@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))

@ -0,0 +1,13 @@
http://sourceware.org/ml/crossgcc/2008-05/msg00009.html
--- a/gcc/config/arm/linux-eabi.h
+++ b/gcc/config/arm/linux-eabi.h
@@ -45,7 +45,7 @@
The ARM10TDMI core is the default for armv5t, so set
SUBTARGET_CPU_DEFAULT to achieve this. */
#undef SUBTARGET_CPU_DEFAULT
-#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
+#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi
/* TARGET_BIG_ENDIAN_DEFAULT is set in
config.gcc for big endian configurations. */

@ -0,0 +1,19 @@
--- a/gcc/config/arm/linux-eabi.h
+++ b/gcc/config/arm/linux-eabi.h
@@ -81,10 +81,15 @@
#undef MUSL_DYNAMIC_LINKER
#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-arm.so.1"
+/* For armv4 we pass --fix-v4bx to linker to support EABI */
+#undef TARGET_FIX_V4BX_SPEC
+#define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*"\
+ "|march=armv4|mcpu=fa526|mcpu=fa626:--fix-v4bx}"
+
/* At this point, bpabi.h will have clobbered LINK_SPEC. We want to
use the GNU/Linux version, not the generic BPABI version. */
#undef LINK_SPEC
-#define LINK_SPEC EABI_LINK_SPEC \
+#define LINK_SPEC EABI_LINK_SPEC TARGET_FIX_V4BX_SPEC \
LINUX_OR_ANDROID_LD (LINUX_TARGET_LINK_SPEC, \
LINUX_TARGET_LINK_SPEC " " ANDROID_LINK_SPEC)

@ -0,0 +1,47 @@
--- a/gcc/config/arm/linux-eabi.h
+++ b/gcc/config/arm/linux-eabi.h
@@ -118,10 +118,6 @@
#define ENDFILE_SPEC \
LINUX_OR_ANDROID_LD (GNU_USER_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC)
-/* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
- do not use -lfloat. */
-#undef LIBGCC_SPEC
-
/* Clear the instruction cache from `beg' to `end'. This is
implemented in lib1funcs.S, so ensure an error if this definition
is used. */
--- a/gcc/config/linux.h
+++ b/gcc/config/linux.h
@@ -51,6 +51,10 @@ see the files COPYING3 and COPYING.RUNTI
builtin_assert ("system=posix"); \
} while (0)
+#ifndef LIBGCC_SPEC
+#define LIBGCC_SPEC "%{static|static-libgcc:-lgcc}%{!static:%{!static-libgcc:-lgcc_s}}"
+#endif
+
/* Determine which dynamic linker to use depending on whether GLIBC or
uClibc or Bionic is the default C library and whether
-muclibc or -mglibc or -mbionic has been passed to change the default. */
--- a/libgcc/mkmap-symver.awk
+++ b/libgcc/mkmap-symver.awk
@@ -132,5 +132,5 @@ function output(lib) {
else if (inherit[lib])
printf("} %s;\n", inherit[lib]);
else
- printf ("\n local:\n\t*;\n};\n");
+ printf ("\n\t*;\n};\n");
}
--- a/gcc/config/rs6000/linux.h
+++ b/gcc/config/rs6000/linux.h
@@ -62,6 +62,9 @@
#undef CPLUSPLUS_CPP_SPEC
#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
+#undef LIBGCC_SPEC
+#define LIBGCC_SPEC "%{!static:%{!static-libgcc:-lgcc_s}} -lgcc"
+
#undef LINK_SHLIB_SPEC
#define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}"

@ -0,0 +1,31 @@
--- a/libgcc/crtstuff.c
+++ b/libgcc/crtstuff.c
@@ -100,15 +100,22 @@ call_ ## FUNC (void) \
#if defined(OBJECT_FORMAT_ELF) \
&& !defined(OBJECT_FORMAT_FLAT) \
&& defined(HAVE_LD_EH_FRAME_HDR) \
- && !defined(inhibit_libc) && !defined(CRTSTUFFT_O) \
- && defined(__GLIBC__) && __GLIBC__ >= 2
+ && !defined(inhibit_libc) && !defined(CRTSTUFFT_O)
#include <link.h>
/* uClibc pretends to be glibc 2.2 and DT_CONFIG is defined in its link.h.
But it doesn't use PT_GNU_EH_FRAME ELF segment currently. */
-# if !defined(__UCLIBC__) \
- && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
- || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
-# define USE_PT_GNU_EH_FRAME
+# if defined(__UCLIBC__)
+# if (__UCLIBC_MAJOR__ > 0 || __UCLIBC_MINOR__ > 9 || \
+ (__UCLIBC_MINOR__ == 9 && __UCLIBC_SUBLEVEL__ >= 33))
+# define USE_PT_GNU_EH_FRAME
+# endif
+# elif defined(__GLIBC__)
+# if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
+ || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
+# define USE_PT_GNU_EH_FRAME
+# endif
+# else
+# define USE_PT_GNU_EH_FRAME
# endif
#endif

@ -0,0 +1,11 @@
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -20853,7 +20853,7 @@ rs6000_savres_strategy (rs6000_stack_t *
/* Define cutoff for using out-of-line functions to save registers. */
if (DEFAULT_ABI == ABI_V4 || TARGET_ELF)
{
- if (!optimize_size)
+ if (1)
{
strategy |= SAVE_INLINE_FPRS | REST_INLINE_FPRS;
strategy |= SAVE_INLINE_GPRS | REST_INLINE_GPRS;

@ -0,0 +1,11 @@
--- a/gcc/defaults.h
+++ b/gcc/defaults.h
@@ -380,7 +380,7 @@ see the files COPYING3 and COPYING.RUNTI
/* If we have named section and we support weak symbols, then use the
.jcr section for recording java classes which need to be registered
at program start-up time. */
-#if defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK
+#if 0 && defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK
#ifndef JCR_SECTION_NAME
#define JCR_SECTION_NAME ".jcr"
#endif

@ -0,0 +1,9 @@
--- a/libgcc/config/mips/t-mips16
+++ b/libgcc/config/mips/t-mips16
@@ -43,3 +43,6 @@ SYNC_CFLAGS = -mno-mips16
# Version these symbols if building libgcc.so.
SHLIB_MAPFILES += $(srcdir)/config/mips/libgcc-mips16.ver
+
+CRTSTUFF_T_CFLAGS += -mno-mips16
+CRTSTUFF_T_CFLAGS_S += -mno-mips16

@ -0,0 +1,232 @@
This patch brings over a few features from MirBSD:
* -fhonour-copts
If this option is not given, it's warned (depending
on environment variables). This is to catch errors
of misbuilt packages which override CFLAGS themselves.
* -Werror-maybe-reset
Has the effect of -Wno-error if GCC_NO_WERROR is
set and not '0', a no-operation otherwise. This is
to be able to use -Werror in "make" but prevent
GNU autoconf generated configure scripts from
freaking out.
This patch was authored by Thorsten Glaser <tg at mirbsd.de>
with copyright assignment to the FSF in effect.
--- a/gcc/c-family/c-opts.c
+++ b/gcc/c-family/c-opts.c
@@ -105,6 +105,9 @@ static size_t include_cursor;
/* Whether any standard preincluded header has been preincluded. */
static bool done_preinclude;
+/* Check if a port honours COPTS. */
+static int honour_copts = 0;
+
static void handle_OPT_d (const char *);
static void set_std_cxx98 (int);
static void set_std_cxx11 (int);
@@ -384,6 +387,9 @@ c_common_handle_option (size_t scode, co
cpp_opts->warn_endif_labels = value;
break;
+ case OPT_Werror_maybe_reset:
+ break;
+
case OPT_Winvalid_pch:
cpp_opts->warn_invalid_pch = value;
break;
@@ -492,6 +498,12 @@ c_common_handle_option (size_t scode, co
flag_no_builtin = !value;
break;
+ case OPT_fhonour_copts:
+ if (c_language == clk_c) {
+ honour_copts++;
+ }
+ break;
+
case OPT_fconstant_string_class_:
constant_string_class_name = arg;
break;
@@ -1048,6 +1060,47 @@ c_common_init (void)
return false;
}
+ if (c_language == clk_c) {
+ char *ev = getenv ("GCC_HONOUR_COPTS");
+ int evv;
+ if (ev == NULL)
+ evv = -1;
+ else if ((*ev == '0') || (*ev == '\0'))
+ evv = 0;
+ else if (*ev == '1')
+ evv = 1;
+ else if (*ev == '2')
+ evv = 2;
+ else if (*ev == 's')
+ evv = -1;
+ else {
+ warning (0, "unknown GCC_HONOUR_COPTS value, assuming 1");
+ evv = 1; /* maybe depend this on something like MIRBSD_NATIVE? */
+ }
+ if (evv == 1) {
+ if (honour_copts == 0) {
+ error ("someone does not honour COPTS at all in lenient mode");
+ return false;
+ } else if (honour_copts != 1) {
+ warning (0, "someone does not honour COPTS correctly, passed %d times",
+ honour_copts);
+ }
+ } else if (evv == 2) {
+ if (honour_copts == 0) {
+ error ("someone does not honour COPTS at all in strict mode");
+ return false;
+ } else if (honour_copts != 1) {
+ error ("someone does not honour COPTS correctly, passed %d times",
+ honour_copts);
+ return false;
+ }
+ } else if (evv == 0) {
+ if (honour_copts != 1)
+ inform (0, "someone does not honour COPTS correctly, passed %d times",
+ honour_copts);
+ }
+ }
+
return true;
}
--- a/gcc/c-family/c.opt
+++ b/gcc/c-family/c.opt
@@ -391,6 +391,10 @@ Wfloat-conversion
C ObjC C++ ObjC++ Var(warn_float_conversion) LangEnabledBy(C ObjC C++ ObjC++,Wconversion)
Warn for implicit type conversions that cause loss of floating point precision
+Werror-maybe-reset
+C ObjC C++ ObjC++
+; Documented in common.opt
+
Wfloat-equal
C ObjC C++ ObjC++ Var(warn_float_equal) Warning
Warn if testing floating point numbers for equality
@@ -972,6 +976,9 @@ C++ ObjC++ Optimization Alias(fexception
fhonor-std
C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
+fhonour-copts
+C ObjC C++ ObjC++ RejectNegative
+
fhosted
C ObjC
Assume normal C execution environment
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -549,6 +549,10 @@ Werror=
Common Joined
Treat specified warning as error
+Werror-maybe-reset
+Common
+If environment variable GCC_NO_WERROR is set, act as -Wno-error
+
Wextra
Common Var(extra_warnings) Warning
Print extra (possibly unwanted) warnings
@@ -1287,6 +1291,9 @@ fguess-branch-probability
Common Report Var(flag_guess_branch_prob) Optimization
Enable guessing of branch probabilities
+fhonour-copts
+Common RejectNegative
+
; Nonzero means ignore `#ident' directives. 0 means handle them.
; Generate position-independent code for executables if possible
; On SVR4 targets, it also controls whether or not to emit a
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -1536,6 +1536,17 @@ common_handle_option (struct gcc_options
opts, opts_set, loc, dc);
break;
+ case OPT_Werror_maybe_reset:
+ {
+ char *ev = getenv ("GCC_NO_WERROR");
+ if ((ev != NULL) && (*ev != '0'))
+ warnings_are_errors = 0;
+ }
+ break;
+
+ case OPT_fhonour_copts:
+ break;
+
case OPT_Wlarger_than_:
opts->x_larger_than_size = value;
opts->x_warn_larger_than = value != -1;
--- a/gcc/doc/cppopts.texi
+++ b/gcc/doc/cppopts.texi
@@ -163,6 +163,11 @@ in older programs. This warning is on b
Make all warnings into hard errors. Source code which triggers warnings
will be rejected.
+ at item -Werror-maybe-reset
+ at opindex Werror-maybe-reset
+Act like @samp{-Wno-error} if the @env{GCC_NO_WERROR} environment
+variable is set to anything other than 0 or empty.
+
@item -Wsystem-headers
@opindex Wsystem-headers
Issue warnings for code in system headers. These are normally unhelpful
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -243,7 +243,7 @@ Objective-C and Objective-C++ Dialects}.
-Wconversion -Wcoverage-mismatch -Wdate-time -Wdelete-incomplete -Wno-cpp @gol
-Wno-deprecated -Wno-deprecated-declarations -Wdisabled-optimization @gol
-Wno-div-by-zero -Wdouble-promotion -Wempty-body -Wenum-compare @gol
--Wno-endif-labels -Werror -Werror=* @gol
+-Wno-endif-labels -Werror -Werror=* -Werror-maybe-reset @gol
-Wfatal-errors -Wfloat-equal -Wformat -Wformat=2 @gol
-Wno-format-contains-nul -Wno-format-extra-args -Wformat-nonliteral @gol
-Wformat-security -Wformat-y2k @gol
@@ -5041,6 +5041,22 @@ This option is only supported for C and
@option{-Wall} and by @option{-Wpedantic}, which can be disabled with
@option{-Wno-pointer-sign}.
+ at item -Werror-maybe-reset
+ at opindex Werror-maybe-reset
+Act like @samp{-Wno-error} if the @env{GCC_NO_WERROR} environment
+variable is set to anything other than 0 or empty.
+
+ at item -fhonour-copts
+ at opindex fhonour-copts
+If @env{GCC_HONOUR_COPTS} is set to 1, abort if this option is not
+given at least once, and warn if it is given more than once.
+If @env{GCC_HONOUR_COPTS} is set to 2, abort if this option is not
+given exactly once.
+If @env{GCC_HONOUR_COPTS} is set to 0 or unset, warn if this option
+is not given exactly once.
+The warning is quelled if @env{GCC_HONOUR_COPTS} is set to @samp{s}.
+This flag and environment variable only affect the C language.
+
@item -Wstack-protector
@opindex Wstack-protector
@opindex Wno-stack-protector
@@ -7188,7 +7204,7 @@ so, the first branch is redirected to ei
second branch or a point immediately following it, depending on whether
the condition is known to be true or false.
-Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}.
+Enabled at levels @option{-O3}.
@item -fsplit-wide-types
@opindex fsplit-wide-types
--- a/gcc/java/jvspec.c
+++ b/gcc/java/jvspec.c
@@ -626,6 +626,7 @@ lang_specific_pre_link (void)
class name. Append dummy `.c' that can be stripped by set_input so %b
is correct. */
set_input (concat (main_class_name, "main.c", NULL));
+ putenv ("GCC_HONOUR_COPTS=s"); /* XXX hack! */
err = do_spec (jvgenmain_spec);
if (err == 0)
{

@ -0,0 +1,14 @@
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -8106,7 +8106,10 @@ getenv_spec_function (int argc, const ch
value = getenv (argv[0]);
if (!value)
- fatal_error ("environment variable %qs not defined", argv[0]);
+ {
+ warning (0, "environment variable %qs not defined", argv[0]);
+ value = "";
+ }
/* We have to escape every character of the environment variable so
they are not interpreted as active spec characters. A
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