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Trouble building gcc 7 on mingw64 (can't find limits.h)
- From: "J.W. Jagersma" <jwjagersma at gmail dot com>
- To: gcc-help <gcc-help at gcc dot gnu dot org>
- Date: Thu, 4 May 2017 02:39:22 +0200
- Subject: Trouble building gcc 7 on mingw64 (can't find limits.h)
- Authentication-results: sourceware.org; auth=none
Please disregard my previous message. I'm trying a different approach
now (with --build=x86_64-w64-mingw32 instead of
--build=x86_64-pc-msys). That should be a better option.
This, however, fails too. But in a different way:
>checking how to run the C++ preprocessor... /lib/cpp
>configure: error: in `/home/JW/build-gcc-mingw64/gmp':
>configure: error: C++ preprocessor "/lib/cpp" fails sanity check
>See `config.log' for more details
>make[2]: *** [Makefile:5277: configure-stage2-gmp] Error 1
>make[2]: Leaving directory '/home/JW/build-gcc-mingw64'
>make[1]: *** [Makefile:23982: stage2-bubble] Error 2
>make[1]: Leaving directory '/home/JW/build-gcc-mingw64'
>make: *** [Makefile:945: all] Error 2
Inspecting gmp/config.log shows:
>configure:19836: checking how to run the C++ preprocessor
>configure:19863: /home/JW/build-gcc-mingw64/./prev-gcc/xg++ -B/home/JW/build-gcc-mingw64/./prev-gcc/ -B/mingw64/x86_64-w64-mingw32/bin/ -nostdinc++ -B/home/JW/build-gcc-mingw64/prev-x86_64-w64-mingw32/libstdc++-v3/src/.libs -B/home/JW/build-gcc-mingw64/prev-x86_64-w64-mingw32/libstdc++-v3/libsupc++/.libs -I/home/JW/build-gcc-mingw64/prev-x86_64-w64-mingw32/libstdc++-v3/include/x86_64-w64-mingw32 -I/home/JW/build-gcc-mingw64/prev-x86_64-w64-mingw32/libstdc++-v3/include -I/home/JW/gcc-7.1.0/libstdc++-v3/libsupc++ -L/home/JW/build-gcc-mingw64/prev-x86_64-w64-mingw32/libstdc++-v3/src/.libs -L/home/JW/build-gcc-mingw64/prev-x86_64-w64-mingw32/libstdc++-v3/libsupc++/.libs -E conftest.cpp
>In file included from D:/msys64/home/JW/build-gcc-mingw64/prev-gcc/include-fixed/syslimits.h:7:0,
> from D:/msys64/home/JW/build-gcc-mingw64/prev-gcc/include-fixed/limits.h:34,
> from conftest.cpp:26:
>D:/msys64/home/JW/build-gcc-mingw64/prev-gcc/include-fixed/limits.h:194:15: fatal error: limits.h: No such file or directory
> #include_next <limits.h> /* recurse down to the real one */
> ^~~~~~~~~~
>compilation terminated.
So it can't find limits.h. I passed the corresponding option to
configure (--with-native-system-header-dir) but that appears to be
ignored. Any ideas?