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[pull] master from beyond-all-reason:master #105

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Merged
pull merged 1 commit into from
Sep 24, 2026
Merged

[pull] master from beyond-all-reason:master #105

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6 changes: 6 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -344,6 +344,12 @@ if (NOT HAVE_STRNLEN)
message(FATAL_ERROR "this compiler/environment isn't supported, the function strnlen is missing!")
endif()

include (CheckFunctionExists)
check_symbol_exists(getexecpath unistd.h HAVE_GETEXECPATH)
if (HAVE_GETEXECPATH)
add_definitions(-DHAVE_GETEXECPATH)
endif()

### Add Link-Time-Optimization flags, if supported (GCC >= 4.5) and enabled
option(LTO "Link Time Optimizations (LTO)" FALSE)
if (LTO)
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11 changes: 11 additions & 0 deletions rts/System/Platform/Misc.cpp
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Expand Up @@ -168,6 +168,7 @@ namespace Platform
// Mac OS X: _NSGetExecutablePath() (man 3 dyld)
// Linux: readlink /proc/self/exe
// Solaris: getexecname()
// OpenBSD: getexecpath()
// FreeBSD: sysctl CTL_KERN KERN_PROC KERN_PROC_PATHNAME -1
// BSD with procfs: readlink /proc/curproc/file
// Windows: GetModuleFileName() with hModule = NULL
Expand Down Expand Up @@ -212,6 +213,16 @@ namespace Platform
procExeFilePath = path;


#elif defined(__OpenBSD__) && defined(HAVE_GETEXECPATH)
char path[PATH_MAX];

if (getexecpath(path, sizeof(path)) == 0) {
procExeFilePath = path;
} else {
error = "[openbsd] execve(2) could not determine the executable pathname";
}


#elif defined(__FreeBSD__)
const int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
const long maxpath = pathconf("/", _PC_PATH_MAX);
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