From: Changqing Li <[email protected]>
configuration:
MACHINE ??= "qemux86-64"
require conf/multilib.conf
MULTILIBS ?= "multilib:lib32"
DEFAULTTUNE_virtclass-multilib-lib32 ?= "core2-32"
IMAGE_INSTALL_append = " packagegroup-core-buildessential lib32-libstdc++
lib32-libstdc++-dev"
m32 compile failed on target:
cmd: gcc -m32 -v test.cpp -o test
output:
GGC heuristics: --param ggc-min-expand=45 --param ggc-min-heapsize=29590
ignoring nonexistent directory
"/usr/lib64/gcc/x86_64-poky-linux/10.1.0/../../../../include/c++/10.1.0/x86_64-poky-linux/32"
ignoring nonexistent directory "/usr/lib64/x86_64-poky-linux/10.1.0/include"
ignoring nonexistent directory "/usr/local/include"
ignoring nonexistent directory
"/usr/lib64/gcc/x86_64-poky-linux/10.1.0/../../../../x86_64-poky-linux/include"
/usr/lib64/gcc/x86_64-poky-linux/10.1.0/../../../../include/c++/10.1.0
/usr/lib64/gcc/x86_64-poky-linux/10.1.0/../../../../include/c++/10.1.0/backward
/usr/lib64/gcc/x86_64-poky-linux/10.1.0/include
/usr/lib64/gcc/x86_64-poky-linux/10.1.0/include-fixed
/usr/include
End of search list.
GNU C++14 (GCC) version 10.1.0 (x86_64-poky-linux)
compiled by GNU C version 10.1.0, GMP version 6.2.0, MPFR version
4.1.0, MPC version 1.1.0, isl version none
GGC heuristics: --param ggc-min-expand=45 --param ggc-min-heapsize=29590
Compiler executable checksum: bc3b2f3a33dad80e30112cf1235bf631
In file included from test.cpp:1:
/usr/include/c++/10.1.0/iostream:38:10: fatal error: bits/c++config.h: No such
file or directory
38 | #include <bits/c++config.h>
| ^~~~~~~~~~~~~~~~~~
cannot find header since
/usr/lib64/gcc/x86_64-poky-linux/10.1.0/x86_64-poky-linux/32 is missing
fixed by link it to ../i686-poky-linux
Signed-off-by: Changqing Li <[email protected]>
---
meta/recipes-devtools/gcc/gcc-runtime.inc | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/meta/recipes-devtools/gcc/gcc-runtime.inc
b/meta/recipes-devtools/gcc/gcc-runtime.inc
index df1432e68d..9dcce26536 100644
--- a/meta/recipes-devtools/gcc/gcc-runtime.inc
+++ b/meta/recipes-devtools/gcc/gcc-runtime.inc
@@ -138,6 +138,10 @@ do_install_append_class-target () {
ln -s ../${TARGET_SYS}/ext
${D}${includedir}/c++/${BINV}/${TARGET_ARCH}${TARGET_VENDOR_MULTILIB_ORIGINAL}-${TARGET_OS}/ext
fi
+ if [ "${TARGET_ARCH}" == "x86_64" -a "${MULTILIB_VARIANTS}" != "" ];then
+ ln -sf ../${X86ARCH32}${TARGET_VENDOR}-${TARGET_OS}
${D}${includedir}/c++/${BINV}/${TARGET_ARCH}${TARGET_VENDOR}-${TARGET_OS}/32
+ fi
+
if [ "${TCLIBC}" != "glibc" ]; then
case "${TARGET_OS}" in
"linux-musl" | "linux-*spe") extra_target_os="linux";;
--
2.17.1
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