Windows TCG plugin build fails with mingw cross-compile images
Host environment
- Operating system: Linux MINGW Docker container (cross-w32-system and cross-w64-system)
- QEMU version: 8.1.50 (a475f32b)
Description of problem
It looks like the mingw variants of the compiler are sensitive to the order of linking:
bash-5.2$ x86_64-w64-mingw32-gcc -m64 -mcx16 plugins/qemu_plugin_api.lib -o tests/plugin/libinsn.dll tests/plugin/libinsn.dll.p/insn.c.obj tests/plugin/libinsn.dll.p/.._.._contrib_plugins_win32_linker.c.obj plugins/qemu_plugin_api.lib -Wl,--allow-shlib-undefined -shared -Wl,--start-group -Wl,--out-implib=tests/plugin/libinsn.dll.a -fstack-protector-strong -Wl,--no-seh -Wl,--nxcompat -Wl,--dynamicbase -Wl,--high-entropy-va -Wl,--warn-common /usr/x86_64-w64-mingw32/sys-root/mingw/lib/libglib-2.0.dll.a /usr/x86_64-w64-mingw32/sys-root/mingw/lib/libintl.dll.a /usr/x86_64-w64-mingw32/sys-root/mingw/lib/libgmodule-2.0.dll.a -lkernel32 -luser32 -lgdi32 -lwinspool -lshell32 -lole32 -loleaut32 -luuid -lcomdlg32 -ladvapi32 -Wl,--end-group
bash-5.2$ x86_64-w64-mingw32-gcc -m64 -mcx16 plugins/qemu_plugin_api.lib -o tests/plugin/libinsn.dll tests/plugin/libinsn.dll.p/insn.c.obj tests/plugin/libinsn.dll.p/.._.._contrib_plugins_win32_linker.c.obj -Wl,--allow-shlib-undefined -shared -Wl,--start-group -Wl,--out-implib=tests/plugin/libinsn.dll.a -fstack-protector-strong -Wl,--no-seh -Wl,--nxcompat -Wl,--dynamicbase -Wl,--high-entropy-va -Wl,--warn-common /usr/x86_64-w64-mingw32/sys-root/mingw/lib/libglib-2.0.dll.a /usr/x86_64-w64-mingw32/sys-root/mingw/lib/libintl.dll.a /usr/x86_64-w64-mingw32/sys-root/mingw/lib/libgmodule-2.0.dll.a -lkernel32 -luser32 -lgdi32 -lwinspool -lshell32 -lole32 -loleaut32 -luuid -lcomdlg32 -ladvapi32 -Wl,--end-group
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: tests/plugin/libinsn.dll.p/insn.c.obj: in function `vcpu_tb_trans':
/tmp/qemu-test/build/../src/tests/plugin/insn.c:90: undefined reference to `__imp_qemu_plugin_tb_n_insns'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: /tmp/qemu-test/build/../src/tests/plugin/insn.c:100: undefined reference to `__imp_qemu_plugin_insn_vaddr'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: /tmp/qemu-test/build/../src/tests/plugin/insn.c:97: undefined reference to `__imp_qemu_plugin_register_vcpu_insn_exec_inline'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: /tmp/qemu-test/build/../src/tests/plugin/insn.c:94: undefined reference to `__imp_qemu_plugin_tb_get_insn'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: /tmp/qemu-test/build/../src/tests/plugin/insn.c:101: undefined reference to `__imp_qemu_plugin_register_vcpu_insn_exec_cb'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: /tmp/qemu-test/build/../src/tests/plugin/insn.c:107: undefined reference to `__imp_qemu_plugin_insn_size'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: /tmp/qemu-test/build/../src/tests/plugin/insn.c:121: undefined reference to `__imp_qemu_plugin_insn_disas'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: /tmp/qemu-test/build/../src/tests/plugin/insn.c:130: undefined reference to `__imp_qemu_plugin_register_vcpu_insn_exec_cb'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: tests/plugin/libinsn.dll.p/insn.c.obj: in function `plugin_exit':
/tmp/qemu-test/build/../src/tests/plugin/insn.c:168: undefined reference to `__imp_qemu_plugin_outs'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: /tmp/qemu-test/build/../src/tests/plugin/insn.c:168: undefined reference to `__imp_qemu_plugin_outs'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: /tmp/qemu-test/build/../src/tests/plugin/insn.c:168: undefined reference to `__imp_qemu_plugin_outs'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: tests/plugin/libinsn.dll.p/insn.c.obj: in function `vcpu_insn_matched_exec_before':
/tmp/qemu-test/build/../src/tests/plugin/insn.c:83: undefined reference to `__imp_qemu_plugin_outs'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: tests/plugin/libinsn.dll.p/insn.c.obj: in function `qemu_plugin_install':
/tmp/qemu-test/build/../src/tests/plugin/insn.c:199: undefined reference to `__imp_qemu_plugin_bool_parse'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: /tmp/qemu-test/build/../src/tests/plugin/insn.c:215: undefined reference to `__imp_qemu_plugin_register_vcpu_tb_trans_cb'
/usr/lib/gcc/x86_64-w64-mingw32/12.2.1/../../../../x86_64-w64-mingw32/bin/ld: /tmp/qemu-test/build/../src/tests/plugin/insn.c:216: undefined reference to `__imp_qemu_plugin_register_atexit_cb'
collect2: error: ld returned 1 exit status
If you move the qemu_plugin_api.lib to after the other .obj files, it works:
bash-5.2$ x86_64-w64-mingw32-gcc -m64 -mcx16 plugins/qemu_plugin_api.lib -o tests/plugin/libinsn.dll tests/plugin/libinsn.dll.p/insn.c.obj tests/plugin/libinsn.dll.p/.._.._contrib_plugins_win32_linker.c.obj plugins/qemu_plugin_api.lib -Wl,--allow-shlib-undefined -shared -Wl,--start-group -Wl,--out-implib=tests/plugin/libinsn.dll.a -fstack-protector-strong -Wl,--no-seh -Wl,--nxcompat -Wl,--dynamicbase -Wl,--high-entropy-va -Wl,--warn-common /usr/x86_64-w64-mingw32/sys-root/mingw/lib/libglib-2.0.dll.a /usr/x86_64-w64-mingw32/sys-root/mingw/lib/libintl.dll.a /usr/x86_64-w64-mingw32/sys-root/mingw/lib/libgmodule-2.0.dll.a -lkernel32 -luser32 -lgdi32 -lwinspool -lshell32 -lole32 -loleaut32 -luuid -lcomdlg32 -ladvapi32 -Wl,--end-group
bash-5.2$ echo $?
0
Steps to reproduce
make docker-test-build@fedora-win64-cross J=30 V=1 EXTRA_CONFIGURE_OPTS="--enable-fdt=internal --enable-plugins" NETWORK=1
Edited by Alex Bennée