| Summary: | ignoring return value of ‘int symlink(const char*, const char*)’ | ||
|---|---|---|---|
| Product: | SyncEvolution | Reporter: | Emiliano Heyns <emiliano.heyns> |
| Component: | SyncEvolution | Assignee: | Patrick Ohly <patrick.ohly> |
| Status: | RESOLVED FIXED | QA Contact: | |
| Severity: | normal | ||
| Priority: | medium | CC: | syncevolution-issues |
| Version: | unspecified | ||
| Hardware: | x86 (IA32) | ||
| OS: | Linux (All) | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
On which platform (Linux distro, libc, compiler) is that? Platform: Ubuntu Trusty
Configured using
configure --with-synthesis-src=../libsynthesis \
--enable-warnings=fatal \
--enable-unit-tests \
--enable-libcurl \
--disable-shared \
--enable-developer-mode
with libsynthesis a git clone from freedesktop;
$ dpkg -l | grep libc-dev
ii libc-dev-bin 2.19-0ubuntu6 i386 Embedded GNU C Library: Development binaries
ii linux-libc-dev:i386 3.13.0-27.50 i386 Linux Kernel Headers for development
$ g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/i686-linux-gnu/4.8/lto-wrapper
Target: i686-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 4.8.2-19ubuntu1' --with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.8 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.8 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libmudflap --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-i386/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-i386 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-i386 --with-arch-directory=i386 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-targets=all --enable-multiarch --disable-werror --with-arch-32=i686 --with-multilib-list=m32,m64,mx32 --with-tune=generic --enable-checking=release --build=i686-linux-gnu --host=i686-linux-gnu --target=i686-linux-gnu
Thread model: posix
gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1)
$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/i686-linux-gnu/4.8/lto-wrapper
Target: i686-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 4.8.2-19ubuntu1' --with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.8 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.8 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libmudflap --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-i386/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-i386 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-i386 --with-arch-directory=i386 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-targets=all --enable-multiarch --disable-werror --with-arch-32=i686 --with-multilib-list=m32,m64,mx32 --with-tune=generic --enable-checking=release --build=i686-linux-gnu --host=i686-linux-gnu --target=i686-linux-gnu
Thread model: posix
gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1)
$ clang -v
Ubuntu clang version 3.4-1ubuntu3 (tags/RELEASE_34/final) (based on LLVM 3.4)
Target: i386-pc-linux-gnu
Thread model: posix
Found candidate GCC installation: /usr/bin/../lib/gcc/i486-linux-gnu/4.0.4
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/4.4
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/4.4.7
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/4.6
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/4.6.4
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/4.7
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/4.7.3
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/4.8
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/4.8.2
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/4.9
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/4.9.0
Found candidate GCC installation: /usr/lib/gcc/i486-linux-gnu/4.0.4
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.4
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.4.7
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.6
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.6.4
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.7
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.7.3
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.8
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.8.2
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.9.0
Selected GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/4.8
Compiling with clang instead of gcc yields:
/home/emile/SE/syncevolution/../libsynthesis/src/syncml_tk/src/sml/xlt/all/xltdecxml.c:865:17: error: comparison of constant 255 with expression of type 'SmlPcdataExtension_t' is always false
[-Werror,-Wtautological-constant-out-of-range-compare]
if (ext == 255) {
It's not unusual that different compilers yield different warnings. Trusty is a platform where I currently compile with fatal warnings disabled (configure without the --enable-warnings=fatal). I suggest you do the same, or you prepare patches fixing the warnings. Gotcha. Fixed in SyncEvolution master branch, together with some other issues that I also ran into when adding compilation with tests enabled and strict warnings on Trusty. |
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When compiling SyncEvolution with the recommended developer configure settings, I get the following error: src/syncevo/Cmdline.cpp: In member function ‘void SyncEvo::CmdlineTest::testPrintFileTemplatesConfig()’: src/syncevo/Cmdline.cpp:3126:82: error: ignoring return value of ‘int symlink(const char*, const char*)’, declared with attribute warn_unused_result [-Werror=unused-result] symlink("../templates", (m_testDir + "/syncevolution-templates").c_str()); ^ (master branch, checkout from this morning, refreshed with git pull)