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guix/gnu/packages/patches/gcc-6-arm-none-eabi-multilib.patch
Theodoros Foradis dbc3c34ea0
gnu: Add arm-none-eabi-gcc-6. 
* gnu/packages/embedded.scm (gcc-arm-none-eabi-6): New variable.
* gnu/packages/patches/gcc-6-arm-none-eabi-multilib.patch: New file.
* gnu/packages/patches/gcc-6-cross-environment-variables.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add the patches.
2016-10-16 11:53:07 +02:00

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From Anatol Pomozov <anatol.pomozov@gmail.com>
Taken from Arch Linux arm-none-eabi-gcc package.
Modified version of ARM patch https://gcc.gnu.org/ml/gcc-patches/2012-05/msg00083/enable-with-multilib-list-for-arm.patch
This patch enables the use of the "--with-multilib-list" flag, when
configuring GCC 6.2. It makes GCC 6 compatible with the configure flags used
in the "gcc-arm-none-eabi-4.9" package.
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 4ab7405..6e1ea2c 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -535,6 +535,7 @@ lang_opt_files=@lang_opt_files@ $(srcdir)/c-family/c.opt $(srcdir)/common.opt
lang_specs_files=@lang_specs_files@
lang_tree_files=@lang_tree_files@
target_cpu_default=@target_cpu_default@
+with_multilib_list=@with_multilib_list@
OBJC_BOEHM_GC=@objc_boehm_gc@
extra_modes_file=@extra_modes_file@
extra_opt_files=@extra_opt_files@
diff --git a/gcc/config.gcc b/gcc/config.gcc
index cb08a5c..7bded02 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1072,7 +1072,7 @@ arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtems*)
case ${target} in
arm*-*-eabi*)
tm_file="$tm_file newlib-stdint.h"
- tmake_file="${tmake_file} arm/t-bpabi"
+ tmake_file="${tmake_file} arm/t-bpabi arm/t-mlibs"
use_gcc_stdint=wrap
;;
arm*-*-rtems*)
@@ -3684,42 +3684,6 @@ case "${target}" in
exit 1
fi
- # Add extra multilibs
- if test "x$with_multilib_list" != x; then
- arm_multilibs=`echo $with_multilib_list | sed -e 's/,/ /g'`
- for arm_multilib in ${arm_multilibs}; do
- case ${arm_multilib} in
- aprofile)
- # Note that arm/t-aprofile is a
- # stand-alone make file fragment to be
- # used only with itself. We do not
- # specifically use the
- # TM_MULTILIB_OPTION framework because
- # this shorthand is more
- # pragmatic. Additionally it is only
- # designed to work without any
- # with-cpu, with-arch with-mode
- # with-fpu or with-float options.
- if test "x$with_arch" != x \
- || test "x$with_cpu" != x \
- || test "x$with_float" != x \
- || test "x$with_fpu" != x \
- || test "x$with_mode" != x ; then
- echo "Error: You cannot use any of --with-arch/cpu/fpu/float/mode with --with-multilib-list=aprofile" 1>&2
- exit 1
- fi
- tmake_file="${tmake_file} arm/t-aprofile"
- break
- ;;
- default)
- ;;
- *)
- echo "Error: --with-multilib-list=${with_multilib_list} not supported." 1>&2
- exit 1
- ;;
- esac
- done
- fi
;;
fr*-*-*linux*)
diff --git a/gcc/config/arm/t-mlibs b/gcc/config/arm/t-mlibs
new file mode 100644
index 0000000..5720cf7
--- /dev/null
+++ b/gcc/config/arm/t-mlibs
@@ -0,0 +1,89 @@
+# A set of predefined MULTILIB which can be used for different ARM targets.
+# Via the configure option --with-multilib-list, user can customize the
+# final MULTILIB implementation.
+
+comma := ,
+space :=
+space +=
+
+MULTILIB_OPTIONS = mthumb/marm
+MULTILIB_DIRNAMES = thumb arm
+MULTILIB_OPTIONS += march=armv6s-m/march=armv7-m/march=armv7e-m/march=armv7
+MULTILIB_DIRNAMES += armv6-m armv7-m armv7e-m armv7-ar
+MULTILIB_OPTIONS += mfloat-abi=softfp/mfloat-abi=hard
+MULTILIB_DIRNAMES += softfp fpu
+MULTILIB_OPTIONS += mfpu=fpv4-sp-d16/mfpu=vfpv3-d16
+MULTILIB_DIRNAMES += fpv4-sp-d16 vfpv3-d16
+
+MULTILIB_MATCHES = march?armv6s-m=mcpu?cortex-m0
+MULTILIB_MATCHES += march?armv6s-m=mcpu?cortex-m0plus
+MULTILIB_MATCHES += march?armv6s-m=mcpu?cortex-m1
+MULTILIB_MATCHES += march?armv6s-m=march?armv6-m
+MULTILIB_MATCHES += march?armv7-m=mcpu?cortex-m3
+MULTILIB_MATCHES += march?armv7e-m=mcpu?cortex-m4
+MULTILIB_MATCHES += march?armv7e-m=mcpu?cortex-m7
+MULTILIB_MATCHES += march?armv7=march?armv7-r
+MULTILIB_MATCHES += march?armv7=march?armv7-a
+MULTILIB_MATCHES += march?armv7=mcpu?cortex-r4
+MULTILIB_MATCHES += march?armv7=mcpu?cortex-r4f
+MULTILIB_MATCHES += march?armv7=mcpu?cortex-r5
+MULTILIB_MATCHES += march?armv7=mcpu?cortex-r7
+MULTILIB_MATCHES += march?armv7=mcpu?cortex-a5
+MULTILIB_MATCHES += march?armv7=mcpu?cortex-a7
+MULTILIB_MATCHES += march?armv7=mcpu?cortex-a8
+MULTILIB_MATCHES += march?armv7=mcpu?cortex-a9
+MULTILIB_MATCHES += march?armv7=mcpu?cortex-a15
+MULTILIB_MATCHES += mfpu?fpv4-sp-d16=mfpu?fpv5-sp-d16
+MULTILIB_MATCHES += mfpu?fpv4-sp-d16=mfpu?fpv5-d16
+MULTILIB_MATCHES += mfpu?vfpv3-d16=mfpu?vfpv3
+MULTILIB_MATCHES += mfpu?vfpv3-d16=mfpu?vfpv3-fp16
+MULTILIB_MATCHES += mfpu?vfpv3-d16=mfpu?vfpv3-d16-fp16
+MULTILIB_MATCHES += mfpu?vfpv3-d16=mfpu?vfpv3xd
+MULTILIB_MATCHES += mfpu?vfpv3-d16=mfpu?vfpv3xd-fp16
+MULTILIB_MATCHES += mfpu?vfpv3-d16=mfpu?vfpv4
+MULTILIB_MATCHES += mfpu?vfpv3-d16=mfpu?vfpv4-d16
+MULTILIB_MATCHES += mfpu?vfpv3-d16=mfpu?neon
+MULTILIB_MATCHES += mfpu?vfpv3-d16=mfpu?neon-fp16
+MULTILIB_MATCHES += mfpu?vfpv3-d16=mfpu?neon-vfpv4
+
+MULTILIB_EXCEPTIONS =
+MULTILIB_REUSE =
+
+MULTILIB_REQUIRED = mthumb
+MULTILIB_REQUIRED += marm
+MULTILIB_REQUIRED += mfloat-abi=hard
+
+MULTILIB_OSDIRNAMES = mthumb=!thumb
+MULTILIB_OSDIRNAMES += marm=!arm
+MULTILIB_OSDIRNAMES += mfloat-abi.hard=!fpu
+
+ifneq (,$(findstring armv6-m,$(subst $(comma),$(space),$(with_multilib_list))))
+MULTILIB_REQUIRED += mthumb/march=armv6s-m
+MULTILIB_OSDIRNAMES += mthumb/march.armv6s-m=!armv6-m
+endif
+
+ifneq (,$(findstring armv7-m,$(subst $(comma),$(space),$(with_multilib_list))))
+MULTILIB_REQUIRED += mthumb/march=armv7-m
+MULTILIB_OSDIRNAMES += mthumb/march.armv7-m=!armv7-m
+endif
+
+ifneq (,$(findstring armv7e-m,$(subst $(comma),$(space),$(with_multilib_list))))
+MULTILIB_REQUIRED += mthumb/march=armv7e-m
+MULTILIB_REQUIRED += mthumb/march=armv7e-m/mfloat-abi=softfp/mfpu=fpv4-sp-d16
+MULTILIB_REQUIRED += mthumb/march=armv7e-m/mfloat-abi=hard/mfpu=fpv4-sp-d16
+MULTILIB_OSDIRNAMES += mthumb/march.armv7e-m=!armv7e-m
+MULTILIB_OSDIRNAMES += mthumb/march.armv7e-m/mfloat-abi.hard/mfpu.fpv4-sp-d16=!armv7e-m/fpu
+MULTILIB_OSDIRNAMES += mthumb/march.armv7e-m/mfloat-abi.softfp/mfpu.fpv4-sp-d16=!armv7e-m/softfp
+endif
+
+ifneq (,$(filter armv7 armv7-r armv7-a,$(subst $(comma),$(space),$(with_multilib_list))))
+MULTILIB_REQUIRED += mthumb/march=armv7
+MULTILIB_REQUIRED += mthumb/march=armv7/mfloat-abi=softfp/mfpu=vfpv3-d16
+MULTILIB_REQUIRED += mthumb/march=armv7/mfloat-abi=hard/mfpu=vfpv3-d16
+MULTILIB_OSDIRNAMES += mthumb/march.armv7=!armv7-ar/thumb
+MULTILIB_OSDIRNAMES += mthumb/march.armv7/mfloat-abi.hard/mfpu.vfpv3-d16=!armv7-ar/thumb/fpu
+MULTILIB_OSDIRNAMES += mthumb/march.armv7/mfloat-abi.softfp/mfpu.vfpv3-d16=!armv7-ar/thumb/softfp
+MULTILIB_REUSE += mthumb/march.armv7=marm/march.armv7
+MULTILIB_REUSE += mthumb/march.armv7/mfloat-abi.softfp/mfpu.vfpv3-d16=marm/march.armv7/mfloat-abi.softfp/mfpu.vfpv3-d16
+MULTILIB_REUSE += mthumb/march.armv7/mfloat-abi.hard/mfpu.vfpv3-d16=marm/march.armv7/mfloat-abi.hard/mfpu.vfpv3-d16
+endif
diff --git a/gcc/configure b/gcc/configure
index 9523773..24952e3 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -763,6 +763,7 @@ SET_MAKE
accel_dir_suffix
real_target_noncanonical
enable_as_accelerator
+with_multilib_list
REPORT_BUGS_TEXI
REPORT_BUGS_TO
PKGVERSION
@@ -7462,6 +7463,7 @@ else
fi
+
# -------------------------
# Checks for other programs
# -------------------------
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 68b0ee8..f8a1097 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -925,6 +925,7 @@ AC_ARG_WITH(multilib-list,
[AS_HELP_STRING([--with-multilib-list], [select multilibs (AArch64, SH and x86-64 only)])],
:,
with_multilib_list=default)
+AC_SUBST(with_multilib_list)
# -------------------------
# Checks for other programs
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