commit:     08ac6a89ea72d4cdcb02383410b58e76e69913a4
Author:     Andreas K. Hüttel <dilfridge <AT> gentoo <DOT> org>
AuthorDate: Thu Apr 18 23:44:46 2019 +0000
Commit:     Andreas K. Hüttel <dilfridge <AT> gentoo <DOT> org>
CommitDate: Thu Apr 18 23:45:11 2019 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=08ac6a89

sys-libs/glibc: Fix headers-only cross-build for riscv

Package-Manager: Portage-2.3.63, Repoman-2.3.12
Signed-off-by: Andreas K. Hüttel <dilfridge <AT> gentoo.org>

 sys-libs/glibc/glibc-2.29-r2.ebuild | 37 ++++++++++++++++++-------------------
 sys-libs/glibc/glibc-9999.ebuild    | 37 ++++++++++++++++++-------------------
 2 files changed, 36 insertions(+), 38 deletions(-)

diff --git a/sys-libs/glibc/glibc-2.29-r2.ebuild 
b/sys-libs/glibc/glibc-2.29-r2.ebuild
index 093ffc207eb..fe9feab7f75 100644
--- a/sys-libs/glibc/glibc-2.29-r2.ebuild
+++ b/sys-libs/glibc/glibc-2.29-r2.ebuild
@@ -1006,25 +1006,6 @@ glibc_headers_configure() {
                popd >/dev/null
        fi
 
-       case ${CTARGET} in
-       riscv*)
-               # RISC-V interrogates the compiler to determine which target to
-               # build.  If building the headers then we don't strictly need a
-               # RISC-V compiler, so the built-in definitions that are provided
-               # along with all RISC-V compiler might not exist.  This causes
-               # glibc's RISC-V preconfigure script to blow up.  Since we're 
just
-               # building the headers any value will actually work here, so 
just
-               # pick the standard one (rv64g/lp64d) to make the build scripts
-               # happy for now -- the headers are all the same anyway so it
-               # doesn't matter.
-               headers_only_arch_CPPFLAGS+=(
-                       -D__riscv_xlen=64
-                       -D__riscv_flen=64
-                       -D__riscv_float_abi_double=1
-                       -D__riscv_atomic=1
-               ) ;;
-       esac
-
        local myconf=()
        myconf+=(
                --disable-sanity-checks
@@ -1042,6 +1023,24 @@ glibc_headers_configure() {
        # Nothing is compiled here which would affect the headers for the 
target.
        # So forcing CC/CFLAGS is sane.
        local headers_only_CC=$(tc-getBUILD_CC)
+
+       case ${CTARGET} in
+       riscv*)
+               # RISC-V interrogates the compiler to determine which target to
+               # build.  If building the headers then we don't strictly need a
+               # RISC-V compiler, so the built-in definitions that are provided
+               # along with all RISC-V compiler might not exist.  This causes
+               # glibc's RISC-V preconfigure script to blow up.  Since we're 
just
+               # building the headers any value will actually work here, so 
just
+               # pick the standard one (rv64g/lp64d) to make the build scripts
+               # happy for now -- the headers are all the same anyway so it
+               # doesn't matter.
+               # It's not sufficient to shove the flags into CPPFLAGS, they 
need
+               # to really go *everywhere*.
+               headers_only_CC="${headers_only_CC} -D__riscv_xlen=64 
-D__riscv_flen=64 -D__riscv_float_abi_double=1 -D__riscv_atomic=1"
+               ;;
+       esac
+
        local headers_only_CFLAGS="-O1 -pipe"
        local headers_only_CPPFLAGS="-U_FORTIFY_SOURCE 
${headers_only_arch_CPPFLAGS[*]}"
        local headers_only_LDFLAGS=""

diff --git a/sys-libs/glibc/glibc-9999.ebuild b/sys-libs/glibc/glibc-9999.ebuild
index 142153734f9..20846e05faf 100644
--- a/sys-libs/glibc/glibc-9999.ebuild
+++ b/sys-libs/glibc/glibc-9999.ebuild
@@ -1007,25 +1007,6 @@ glibc_headers_configure() {
                popd >/dev/null
        fi
 
-       case ${CTARGET} in
-       riscv*)
-               # RISC-V interrogates the compiler to determine which target to
-               # build.  If building the headers then we don't strictly need a
-               # RISC-V compiler, so the built-in definitions that are provided
-               # along with all RISC-V compiler might not exist.  This causes
-               # glibc's RISC-V preconfigure script to blow up.  Since we're 
just
-               # building the headers any value will actually work here, so 
just
-               # pick the standard one (rv64g/lp64d) to make the build scripts
-               # happy for now -- the headers are all the same anyway so it
-               # doesn't matter.
-               headers_only_arch_CPPFLAGS+=(
-                       -D__riscv_xlen=64
-                       -D__riscv_flen=64
-                       -D__riscv_float_abi_double=1
-                       -D__riscv_atomic=1
-               ) ;;
-       esac
-
        local myconf=()
        myconf+=(
                --disable-sanity-checks
@@ -1043,6 +1024,24 @@ glibc_headers_configure() {
        # Nothing is compiled here which would affect the headers for the 
target.
        # So forcing CC/CFLAGS is sane.
        local headers_only_CC=$(tc-getBUILD_CC)
+
+       case ${CTARGET} in
+       riscv*)
+               # RISC-V interrogates the compiler to determine which target to
+               # build.  If building the headers then we don't strictly need a
+               # RISC-V compiler, so the built-in definitions that are provided
+               # along with all RISC-V compiler might not exist.  This causes
+               # glibc's RISC-V preconfigure script to blow up.  Since we're 
just
+               # building the headers any value will actually work here, so 
just
+               # pick the standard one (rv64g/lp64d) to make the build scripts
+               # happy for now -- the headers are all the same anyway so it
+               # doesn't matter.
+               # It's not sufficient to shove the flags into CPPFLAGS, they 
need
+               # to really go *everywhere*.
+               headers_only_CC="${headers_only_CC} -D__riscv_xlen=64 
-D__riscv_flen=64 -D__riscv_float_abi_double=1 -D__riscv_atomic=1"
+               ;;
+       esac
+
        local headers_only_CFLAGS="-O1 -pipe"
        local headers_only_CPPFLAGS="-U_FORTIFY_SOURCE 
${headers_only_arch_CPPFLAGS[*]}"
        local headers_only_LDFLAGS=""

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