diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.8/0043-cpp.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.8/0043-cpp.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.8/0043-cpp.patch b/meta/recipes-devtools/gcc/gcc-4.8/0043-cpp.patch new file mode 100644 index 0000000000..eaf8646f97 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.8/0043-cpp.patch @@ -0,0 +1,40 @@ +The OE environment sets and exports CPP as being the target gcc. When building +gcc-cross-canadian for a mingw targetted sdk, the following can be found in +build.x86_64-pokysdk-mingw32.i586-poky-linux/build-x86_64-linux/libiberty/config.log: + +configure:3641: checking for _FILE_OFFSET_BITS value needed for large files +configure:3666: gcc -c -isystem/media/build1/poky/build/tmp/sysroots/x86_64-linux/usr/include -O2 -pipe conftest.c >&5 +configure:3666: $? = 0 +configure:3698: result: no +configure:3786: checking how to run the C preprocessor +configure:3856: result: x86_64-pokysdk-mingw32-gcc -E --sysroot=/media/build1/poky/build/tmp/sysroots/x86_64-nativesdk-mingw32-pokysdk-mingw32 +configure:3876: x86_64-pokysdk-mingw32-gcc -E --sysroot=/media/build1/poky/build/tmp/sysroots/x86_64-nativesdk-mingw32-pokysdk-mingw32 conftest.c +configure:3876: $? = 0 + +Note this is a *build* target (in build-x86_64-linux) so it should be using +the host "gcc", not x86_64-pokysdk-mingw32-gcc. Since the mingw32 headers are +very different, using the wrong cpp is a real problem. It is leaking into +configure through the CPP variable. Ultimately this leads to build failures +related to not being able to include a process.h file for pem-unix.c. + +The fix is to ensure we export a sane CPP value into the build environment when +using build targets. We could define a CPP_FOR_BUILD value which may be the version +which needs to be upstreamed but for now, this fix is good enough to avoid the +problem. + +RP 22/08/2013 + +Upstream-Status: Pending + +Index: gcc-4.8.1/Makefile.in +=================================================================== +--- gcc-4.8.1.orig/Makefile.in 2013-03-30 11:25:03.000000000 +0000 ++++ gcc-4.8.1/Makefile.in 2013-08-13 12:03:17.151988882 +0000 +@@ -149,6 +149,7 @@ + AR="$(AR_FOR_BUILD)"; export AR; \ + AS="$(AS_FOR_BUILD)"; export AS; \ + CC="$(CC_FOR_BUILD)"; export CC; \ ++ CPP="$(CC_FOR_BUILD) -E"; export CPP; \ + CFLAGS="$(CFLAGS_FOR_BUILD)"; export CFLAGS; \ + CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \ + CXX="$(CXX_FOR_BUILD)"; export CXX; \ |