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

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


/home/conan/w/cci_PR-3877/.conan/data/libproperties/1.1.2/_/_/build/4c1e28fd5a4bc95f5d58d65e681471e51dbc3d1a/source_subfolder/properties.c: In function 'p_accept_unicode_escape':
/home/conan/w/cci_PR-3877/.conan/data/libproperties/1.1.2/_/_/build/4c1e28fd5a4bc95f5d58d65e681471e51dbc3d1a/source_subfolder/properties.c:342:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
     for (register puchar* p = cache->pos; p != end; p++) {
     ^
/home/conan/w/cci_PR-3877/.conan/data/libproperties/1.1.2/_/_/build/4c1e28fd5a4bc95f5d58d65e681471e51dbc3d1a/source_subfolder/properties.c:342:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
make[2]: *** [source_subfolder/CMakeFiles/properties.dir/properties.c.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [source_subfolder/CMakeFiles/properties.dir/all] Error 2
make: *** [all] Error 2
libproperties/1.1.2: WARN: Build folder is dirty, removing it: /home/conan/w/cci_PR-3877/.conan/data/libproperties/1.1.2/_/_/build/4c1e28fd5a4bc95f5d58d65e681471e51dbc3d1a
libproperties/1.1.2: ERROR: Package '4c1e28fd5a4bc95f5d58d65e681471e51dbc3d1a' build failed
libproperties/1.1.2: WARN: Build folder /home/conan/w/cci_PR-3877/.conan/data/libproperties/1.1.2/_/_/build/4c1e28fd5a4bc95f5d58d65e681471e51dbc3d1a
ERROR: libproperties/1.1.2: Error in build() method, line 44
	cmake.build()
	ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-3877/.conan/data/libproperties/1.1.2/_/_/build/4c1e28fd5a4bc95f5d58d65e681471e51dbc3d1a' '--' '-j3'