CMake Warning at source_subfolder/CMakeLists.txt:47 (message):
  re2c was not found; changes to src/*.in.cc will not affect your build.


CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CMAKE_INSTALL_BINDIR
    CMAKE_INSTALL_DATAROOTDIR
    CMAKE_INSTALL_INCLUDEDIR
    CMAKE_INSTALL_LIBDIR
    CMAKE_INSTALL_LIBEXECDIR
    CMAKE_INSTALL_OLDINCLUDEDIR
    CMAKE_INSTALL_SBINDIR


CMakeFiles/libninja-re2c.dir/src/depfile_parser.cc.o (symbol from plugin): warning: memset used with constant zero length parameter; this could be due to transposed parameters
In function '__fread_alias',
    inlined from 'Load.constprop' at /home/conan/w/cci_PR-3729/.conan/data/ninja/1.10.2/_/_/build/24647d9fe8ec489125dfbae4b3ebefaf7581674c/source_subfolder/src/deps_log.cc:200:55:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:290:66: warning: call to '__fread_chk_warn' declared with attribute warning: fread called with bigger size * nmemb than length of destination buffer
  return __fread_chk (__ptr, __bos0 (__ptr), __size, __n, __stream);
                                                                  ^
ninja/1.10.2 (test package): WARN: This conanfile has no build step