Martchus
/
reflective-rapidjson
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Avoid including headers from host when cross compiling

This commit is contained in:
Martchus 2023-06-06 16:31:06 +02:00
parent e3e4596481
commit 7c8ef68155
1 changed files with 3 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
lib/cmake/modules/ReflectionGenerator.cmake
View File

@ -121,20 +121,9 @@ function (add_reflection_generator_invocation)
list(APPEND ARGS_CLANG_OPTIONS -I "${INCLUDE_DIR}")
endforeach ()
# add workaround for cross compiling with mingw-w64 to prevent host stdlib.h being included (not sure why specifying
# REFLECTION_GENERATOR_INCLUDE_DIRECTORIES is not enough to let it find this particular header file)
if (MINGW)
# find MinGW version of stdlib.h
find_file(MINGW_W64_STDLIB_H stdlib.h ${REFLECTION_GENERATOR_INCLUDE_DIRECTORIES})
if (NOT EXISTS "${MINGW_W64_STDLIB_H}")
message(
FATAL_ERROR
"Unable to locate MinGW version of stdlib.h. Ensure it is in REFLECTION_GENERATOR_INCLUDE_DIRECTORIES.")
endif ()
# ensure libtooling includes the MinGW version of stdlib.h rather than the host version
list(APPEND ARGS_CLANG_OPTIONS -include "${MINGW_W64_STDLIB_H}" -D_STDLIB_H # prevent processing of host stdlib.h
)
# avoid including headers from host when cross compiling
if (CMAKE_CROSSCOMPILING)
list(APPEND ARGS_CLANG_OPTIONS -nostdinc)
endif ()
# add options to be passed to clang from the specified targets