sys-devel/gcc: Add patch disabling riscv 32bit ABIs

For more information see
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90419

Package-Manager: Portage-2.3.66, Repoman-2.3.12
Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>

diff --git a/sys-devel/gcc/files/gcc-9.1.0-norisc32.patch b/sys-devel/gcc/files/gcc-9.1.0-norisc32.patch
new file mode 100644 (file)
index 0000000..ad0128a
--- /dev/null
+++ b/sys-devel/gcc/files/gcc-9.1.0-norisc32.patch
@@ -0,0 +1,53 @@
+Autogenerated patch disabling the 32bit RISCV support
+See https://gcc.gnu.org/PR90419
+
+diff -ruN gcc-9.1.0.orig/gcc/config/riscv/t-linux-multilib gcc-9.1.0/gcc/config/riscv/t-linux-multilib
+--- gcc-9.1.0.orig/gcc/config/riscv/t-linux-multilib   2017-02-06 22:38:37.000000000 +0100
++++ gcc-9.1.0/gcc/config/riscv/t-linux-multilib        2019-05-18 23:04:54.849400774 +0200
+@@ -1,40 +1,18 @@
+ # This file was generated by multilib-generator with the command:
+-#  ./multilib-generator rv32imac-ilp32-rv32ima,rv32imaf,rv32imafd,rv32imafc,rv32imafdc- rv32imafdc-ilp32d-rv32imafd- rv64imac-lp64-rv64ima,rv64imaf,rv64imafd,rv64imafc,rv64imafdc- rv64imafdc-lp64d-rv64imafd-
+-MULTILIB_OPTIONS = march=rv32imac/march=rv32ima/march=rv32imaf/march=rv32imafd/march=rv32imafc/march=rv32imafdc/march=rv32g/march=rv32gc/march=rv64imac/march=rv64ima/march=rv64imaf/march=rv64imafd/march=rv64imafc/march=rv64imafdc/march=rv64g/march=rv64gc mabi=ilp32/mabi=ilp32d/mabi=lp64/mabi=lp64d
+-MULTILIB_DIRNAMES = rv32imac \
+-rv32ima \
+-rv32imaf \
+-rv32imafd \
+-rv32imafc \
+-rv32imafdc \
+-rv32g \
+-rv32gc \
+-rv64imac \
++#  ./multilib-generator rv64imac-lp64-rv64ima,rv64imaf,rv64imafd,rv64imafc,rv64imafdc- rv64imafdc-lp64d-rv64imafd-
++MULTILIB_OPTIONS = march=rv64imac/march=rv64ima/march=rv64imaf/march=rv64imafd/march=rv64imafc/march=rv64imafdc/march=rv64g/march=rv64gc mabi=lp64/mabi=lp64d
++MULTILIB_DIRNAMES = rv64imac \
+ rv64ima \
+ rv64imaf \
+ rv64imafd \
+ rv64imafc \
+ rv64imafdc \
+ rv64g \
+-rv64gc ilp32 \
+-ilp32d \
+-lp64 \
++rv64gc lp64 \
+ lp64d
+-MULTILIB_REQUIRED = march=rv32imac/mabi=ilp32 \
+-march=rv32imafdc/mabi=ilp32d \
+-march=rv64imac/mabi=lp64 \
++MULTILIB_REQUIRED = march=rv64imac/mabi=lp64 \
+ march=rv64imafdc/mabi=lp64d
+-MULTILIB_REUSE = march.rv32imac/mabi.ilp32=march.rv32ima/mabi.ilp32 \
+-march.rv32imac/mabi.ilp32=march.rv32imaf/mabi.ilp32 \
+-march.rv32imac/mabi.ilp32=march.rv32imafd/mabi.ilp32 \
+-march.rv32imac/mabi.ilp32=march.rv32imafc/mabi.ilp32 \
+-march.rv32imac/mabi.ilp32=march.rv32imafdc/mabi.ilp32 \
+-march.rv32imac/mabi.ilp32=march.rv32g/mabi.ilp32 \
+-march.rv32imac/mabi.ilp32=march.rv32gc/mabi.ilp32 \
+-march.rv32imafdc/mabi.ilp32d=march.rv32imafd/mabi.ilp32d \
+-march.rv32imafdc/mabi.ilp32d=march.rv32gc/mabi.ilp32d \
+-march.rv32imafdc/mabi.ilp32d=march.rv32g/mabi.ilp32d \
+-march.rv64imac/mabi.lp64=march.rv64ima/mabi.lp64 \
++MULTILIB_REUSE = march.rv64imac/mabi.lp64=march.rv64ima/mabi.lp64 \
+ march.rv64imac/mabi.lp64=march.rv64imaf/mabi.lp64 \
+ march.rv64imac/mabi.lp64=march.rv64imafd/mabi.lp64 \
+ march.rv64imac/mabi.lp64=march.rv64imafc/mabi.lp64 \

diff --git a/sys-devel/gcc/gcc-9.1.0.ebuild b/sys-devel/gcc/gcc-9.1.0.ebuild
index fd3f2fb8c72083a4a7727fc828c1be67523b84d7..3653171093cc6b67b39e3bf10cffdfc7eb38fa73 100644 (file)
--- a/sys-devel/gcc/gcc-9.1.0.ebuild
+++ b/sys-devel/gcc/gcc-9.1.0.ebuild
@@ -17,3 +17,8 @@ DEPEND="${RDEPEND}
 if [[ ${CATEGORY} != cross-* ]] ; then
        PDEPEND="${PDEPEND} elibc_glibc? ( >=sys-libs/glibc-2.13 )"
 fi
+
+src_prepare() {
+       toolchain_src_prepare
+       eapply "${FILESDIR}"/gcc-9.1.0-norisc32.patch
+}