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[vcpkg] Add case for exe path discovery for macos

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This commit is contained in:
Robert Schumacher 2018-03-07 15:01:49 -08:00
parent 864ddcd681
commit 1b4bc5e27e
1 changed files with 13 additions and 1 deletions
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14
toolsrc/src/vcpkg/base/system.cpp
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@ -7,6 +7,10 @@
#include <time.h>
#if defined(__APPLE__)
# include <mach-o/dyld.h>
#endif
#pragma comment(lib, "Advapi32")
namespace vcpkg::System
@ -31,7 +35,15 @@ namespace vcpkg::System
const int bytes = GetModuleFileNameW(nullptr, buf, _MAX_PATH);
if (bytes == 0) std::abort();
return fs::path(buf, buf + bytes);
#else
#elif __APPLE__
uint32_t size = 1024 * 32;
char buf[size] = {};
bool result = _NSGetExecutablePath(buf, &size);
Checks::check_exit(VCPKG_LINE_INFO, result != -1, "Could not determine current executable path.");
std::unique_ptr<char> canonicalPath (realpath(buf, NULL));
Checks::check_exit(VCPKG_LINE_INFO, result != -1, "Could not determine current executable path.");
return fs::path(std::string(canonicalPath.get()));
#else /* LINUX */
std::array<char, 1024 * 4> buf;
auto written = readlink("/proc/self/exe", buf.data(), buf.size());
Checks::check_exit(VCPKG_LINE_INFO, written != -1, "Could not determine current executable path.");