Re: [cmake] Problem with dependencies for configure checks

From: Peter Dimov (pdimov_at_[hidden])
Date: 2021-06-03 18:30:51

Andrey Semashev wrote:
> But that would mean one has to specify second order dependencies as well for
> configure checks.

¯\_(ツ)_/¯

> I'm not sure I understand. Is it that Cygwin doesn't accept angle brackets with
> Windows paths?

The Cygwin compiler just doesn't accept Windows paths, as far as I can see.

Performing C++ SOURCE FILE Test BOOST_FILESYSTEM_HAS_STAT_ST_BLKSIZE failed with the following output:
Change Dir: C:/boost-git/develop/__build_gcc/CMakeFiles/CMakeTmp

Run Build Command(s):C:/cygwin64/bin/make.exe -f Makefile cmTC_8f9df/fast && /usr/bin/make  -f CMakeFiles/cmTC_8f9df.dir/build.make CMakeFiles/cmTC_8f9df.dir/build
make[1]: Entering directory '/cygdrive/c/boost-git/develop/__build_gcc/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_8f9df.dir/src.cxx.obj

C:/cygwin64/bin/c++.exe -DBOOST_FILESYSTEM_HAS_STAT_ST_BLKSIZE @CMakeFiles/cmTC_8f9df.dir/includes_CXX.rsp  -o CMakeFiles/cmTC_8f9df.dir/src.cxx.obj -c C:/boost-git/develop/__build_gcc/CMakeFiles/CMakeTmp/src.cxx
C:/boost-git/develop/__build_gcc/CMakeFiles/CMakeTmp/src.cxx:1:10: fatal error: C:/boost-git/develop/libs/filesystem/config/has_stat_st_blksize.cpp: No such file or directory
    1 | #include <C:/boost-git/develop/libs/filesystem/config/has_stat_st_blksize.cpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[1]: *** [CMakeFiles/cmTC_8f9df.dir/build.make:79: CMakeFiles/cmTC_8f9df.dir/src.cxx.obj] Error 1
make[1]: Leaving directory '/cygdrive/c/boost-git/develop/__build_gcc/CMakeFiles/CMakeTmp'
make: *** [Makefile:127: cmTC_8f9df/fast] Error 2

Source file was:
#include <C:/boost-git/develop/libs/filesystem/config/has_stat_st_blksize.cpp>