diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 7917be50..8567e374 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -89,6 +89,7 @@ option(enable_single_obj_compilation "Compile all libgc source files into single option(disable_single_obj_compilation "Compile each libgc source file independently" OFF) option(enable_handle_fork "Attempt to ensure a usable collector after fork()" ON) option(disable_handle_fork "Prohibit installation of pthread_atfork() handlers" OFF) +option(enable_emscripten_asyncify "Use Emscripten asyncify feature" OFF) option(install_headers "Install header and pkg-config metadata files" ON) option(with_libatomic_ops "Use an external libatomic_ops" OFF) option(without_libatomic_ops "Use atomic_ops.h in libatomic_ops/src" OFF) @@ -546,6 +547,22 @@ if (HAVE_DLADDR) add_definitions("-DHAVE_DLADDR") endif() +# Check for emscripten; use asyncify feature if requested. +check_c_source_compiles(" +#ifndef __EMSCRIPTEN__\n +# error This is not Emscripten\n +#endif\n +int main(void) { return 0; }" + EMSCRIPTEN) +if (EMSCRIPTEN AND enable_emscripten_asyncify) + # Use this option if your program is targeting -sASYNCIFY. The latter is + # required to scan the stack, ASYNCIFY_STACK_SIZE is probably needed for + # gctest only. + add_definitions("-DEMSCRIPTEN_ASYNCIFY") + set(CMAKE_EXE_LINKER_FLAGS + "${CMAKE_EXE_LINKER_FLAGS} -sASYNCIFY -sASYNCIFY_STACK_SIZE=128000") +endif() + add_library(gc ${SRC}) target_link_libraries(gc PRIVATE ${ATOMIC_OPS_LIBS_CMAKE} ${THREADDLLIBS_LIST}) |