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Compilation failure building with GCC 4.9.1 #200

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jamielinux opened this Issue Sep 20, 2014 · 1 comment

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commented Sep 20, 2014

Building weechat 1.0 on Fedora Rawhide fails. Possibly related to GCC 4.9.1.

The build succeeds when passing -O0 to cflags.

$ gcc --version
gcc (GCC) 4.9.1 20140912 (Red Hat 4.9.1-9)

mock build.log.
mock root.log.

Excerpt from build.log:

[ 21%] Building C object src/plugins/alias/CMakeFiles/alias.dir/alias.o
cd /builddir/build/BUILD/weechat-1.0/build/src/plugins/alias && /usr/bin/cc  -DENABLE_NLS -DHAVE_CONFIG_H -DHAVE_GCRYPT -DHAVE_GNUTLS -DHAVE_ICONV -DHAVE_ZLIB -DWEECHAT_LICENSE=\"GPL3\" -DWEECHAT_VERSION=\"1.0\" -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -D_LARGE_FILES -Dalias_EXPORTS -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic  -Wall -Wextra -Werror-implicit-function-declaration -fPIC -I/builddir/build/BUILD/weechat-1.0/build    -fPIC -o CMakeFiles/alias.dir/alias.o   -c /builddir/build/BUILD/weechat-1.0/src/plugins/alias/alias.c
In file included from /usr/include/string.h:634:0,
                 from /builddir/build/BUILD/weechat-1.0/src/plugins/alias/alias.c:24:
/builddir/build/BUILD/weechat-1.0/src/plugins/alias/alias.c: In function 'alias_string_add_word_range':
/builddir/build/BUILD/weechat-1.0/src/plugins/alias/../weechat-plugin.h:978:21: error: expected identifier before '(' token
     weechat_plugin->strndup(__string, __length)
                     ^
/builddir/build/BUILD/weechat-1.0/src/plugins/alias/alias.c:143:12: note: in expansion of macro 'weechat_strndup'
     word = weechat_strndup (start, end - start);
            ^
/builddir/build/BUILD/weechat-1.0/src/plugins/alias/alias.c:138:69: warning: unused parameter 'start' [-Wunused-parameter]
 alias_string_add_word_range (char **alias, int *length, const char *start,
                                                                     ^
/builddir/build/BUILD/weechat-1.0/src/plugins/alias/alias.c:139:42: warning: unused parameter 'end' [-Wunused-parameter]
                              const char *end)
                                          ^
src/plugins/alias/CMakeFiles/alias.dir/build.make:54: recipe for target 'src/plugins/alias/CMakeFiles/alias.dir/alias.o' failed
make[2]: *** [src/plugins/alias/CMakeFiles/alias.dir/alias.o] Error 1
make[2]: Leaving directory '/builddir/build/BUILD/weechat-1.0/build'
CMakeFiles/Makefile2:857: recipe for target 'src/plugins/alias/CMakeFiles/alias.dir/all' failed
make[1]: *** [src/plugins/alias/CMakeFiles/alias.dir/all] Error 2
make[1]: Leaving directory '/builddir/build/BUILD/weechat-1.0/build'
Makefile:137: recipe for target 'all' failed
make: *** [all] Error 2
@stfnm

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commented Sep 20, 2014

I can confirm this. I'm getting the same exact error on Arch Linux. I'm using:

cmake 3.0.2
gcc (GCC) 4.9.1 20140903 (prerelease)
glibc 2.20

@flashcode flashcode added the bug label Sep 20, 2014

@flashcode flashcode added this to the 1.0.1 milestone Sep 20, 2014

@flashcode flashcode self-assigned this Sep 20, 2014

flashcode added a commit that referenced this issue Sep 20, 2014

core: fix compilation of plugin API functions (macros) when compiler …
…optimizations are enabled (closes #200)

(cherry picked from commit 03c0067)

@flashcode flashcode closed this in 03c0067 Sep 20, 2014

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