https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65581
Bug ID: 65581
Summary: testsuite lto issue: multiple definition of `main',
undefined reference to `WinMain'
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: rai...@emrich-ebersheim.de
Runnning the testsuites I see a real lot of FAILs like the following.
Executing on host:
/opt/devel/SCRATCH/tmp.4bOnj9XWJa/gcc-5.0.0/gcc-5.0.0/gcc/xgcc
-B/opt/devel/SCRATCH/tmp.4bOnj9XWJa/gcc-5.0.0/gcc-5.0.0/gcc/
/opt/devel/gnu/src/gcc-mingw-w64/gcc-5.0.0/gcc/testsuite/gcc.dg/torture/20090618-1.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -O2 -flto
-flto-partition=none -lm -o ./20090618-1.exe (timeout = 300)
spawn /opt/devel/SCRATCH/tmp.4bOnj9XWJa/gcc-5.0.0/gcc-5.0.0/gcc/xgcc
-B/opt/devel/SCRATCH/tmp.4bOnj9XWJa/gcc-5.0.0/gcc-5.0.0/gcc/
/opt/devel/gnu/src/gcc-mingw-w64/gcc-5.0.0/gcc/testsuite/gcc.dg/torture/20090618-1.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -O2 -flto
-flto-partition=none -lm -o ./20090618-1.exe
D:\Users\RAINER~1.EMR\AppData\Local\Temp\ccwwwiFD.lto.o:<artificial>:(.text.startup+0x0):
multiple definition of `main'
D:/x86_64-w64-trunk/mingw/lib/../lib/libmingw32.a(lib64_libmingw32_a-crt0_c.o):D:/opt/devel/gnu/src/gcc-mingw-w64/mingw-w64-runtime.git/mingw-w64-crt/crt/crt0_c.c:17:
first defined here
D:/x86_64-w64-trunk/mingw/lib/../lib/libmingw32.a(lib64_libmingw32_a-crt0_c.o):
In function `main':
D:/opt/devel/gnu/src/gcc-mingw-w64/mingw-w64-runtime.git/mingw-w64-crt/crt/crt0_c.c:18:
undefined reference to `WinMain'
collect2.exe: error: ld returned 1 exit status
compiler exited with status 1
output is:
D:\Users\RAINER~1.EMR\AppData\Local\Temp\ccwwwiFD.lto.o:<artificial>:(.text.startup+0x0):
multiple definition of `main'
D:/x86_64-w64-trunk/mingw/lib/../lib/libmingw32.a(lib64_libmingw32_a-crt0_c.o):D:/opt/devel/gnu/src/gcc-mingw-w64/mingw-w64-runtime.git/mingw-w64-crt/crt/crt0_c.c:17:
first defined here
D:/x86_64-w64-trunk/mingw/lib/../lib/libmingw32.a(lib64_libmingw32_a-crt0_c.o):
In function `main':
D:/opt/devel/gnu/src/gcc-mingw-w64/mingw-w64-runtime.git/mingw-w64-crt/crt/crt0_c.c:18:
undefined reference to `WinMain'
collect2.exe: error: ld returned 1 exit status
I don't know if this is a w64-mingw runtime issue or a gcc issue.
