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https://github.com/JGRennison/OpenTTD-patches.git
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24 lines
458 B
CMake
24 lines
458 B
CMake
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include(CheckCXXSourceCompiles)
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check_cxx_source_compiles("
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#include <ucontext.h>
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int main() {
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ucontext_t context;
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#if defined(__x86_64__)
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void *ptr = (void *) context.uc_mcontext.gregs[REG_RIP];
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#elif defined(__i386)
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void *ptr = (void *) context.uc_mcontext.gregs[REG_EIP];
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#else
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#error Unknown arch
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#endif
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return 0;
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}"
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UCONTEXT_FOUND
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)
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if (UCONTEXT_FOUND)
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add_compile_options(
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-DWITH_UCONTEXT
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)
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endif (UCONTEXT_FOUND)
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