OpenTTD-patches/cmake/FindSigaltstack.cmake

include(CheckCXXSourceCompiles)

check_cxx_source_compiles("
    #include <signal.h>
    #include <stdlib.h>
    int main() {
        stack_t ss;
        ss.ss_sp = calloc(SIGSTKSZ, 1);
        ss.ss_size = SIGSTKSZ;
        ss.ss_flags = 0;
        sigaltstack(&ss, nullptr);
        return 0;
    }"
    SIGALTSTACK_FOUND
)

if (SIGALTSTACK_FOUND)
    add_compile_options(
        -DWITH_SIGALTSTACK
    )
endif (SIGALTSTACK_FOUND)
CMake: Add sigaction, sigaltstack, self dbg 2020-06-27 13:50:59 +00:00			`include(CheckCXXSourceCompiles)`

			`check_cxx_source_compiles("`
			`#include <signal.h>`
			`#include <stdlib.h>`
			`int main() {`
			`stack_t ss;`
			`ss.ss_sp = calloc(SIGSTKSZ, 1);`
			`ss.ss_size = SIGSTKSZ;`
			`ss.ss_flags = 0;`
			`sigaltstack(&ss, nullptr);`
			`return 0;`
			`}"`
Unix: Fix CMake detection and setup of sigaltstack 2023-08-13 22:29:34 +00:00			`SIGALTSTACK_FOUND`
CMake: Add sigaction, sigaltstack, self dbg 2020-06-27 13:50:59 +00:00			`)`

			`if (SIGALTSTACK_FOUND)`
			`add_compile_options(`
			`-DWITH_SIGALTSTACK`
			`)`
			`endif (SIGALTSTACK_FOUND)`