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Improved VS detection

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This commit is contained in:
Brian Fiete 2020-10-30 05:51:39 -07:00
parent d82aab3b3f
commit b94f69b976
3 changed files with 76 additions and 11 deletions
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48
IDEHelper/VSSupport.cpp
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@ -58,6 +58,7 @@ struct Find_Result {
wchar_t *windows_sdk_root = NULL;
wchar_t* vs_version = NULL;
wchar_t *vs_exe32_path = NULL;
wchar_t *vs_exe64_path = NULL;
wchar_t *vs_library32_path = NULL;
@ -68,6 +69,7 @@ Find_Result find_visual_studio_and_windows_sdk();
void free_resources(Find_Result *result) {
free(result->windows_sdk_root);
free(result->vs_version);
free(result->vs_exe32_path);
free(result->vs_exe64_path);
free(result->vs_library32_path);
@ -447,8 +449,7 @@ void find_visual_studio_by_fighting_through_microsoft_craziness(Find_Result *res
if (!success) continue;
auto version_bytes = (tools_file_size.QuadPart + 1) * 2; // Warning: This multiplication by 2 presumes there is no variable-length encoding in the wchars (wacky characters in the file could betray this expectation).
wchar_t *version = (wchar_t *)malloc(version_bytes);
defer{ free(version); };
wchar_t *version = (wchar_t *)malloc(version_bytes);
auto read_result = fgetws(version, (int)version_bytes, f);
if (!read_result) continue;
@ -459,17 +460,41 @@ void find_visual_studio_by_fighting_through_microsoft_craziness(Find_Result *res
auto library32_path = concat(bstr_inst_path, L"\\VC\\Tools\\MSVC\\", version, L"\\lib\\x86");
auto library64_path = concat(bstr_inst_path, L"\\VC\\Tools\\MSVC\\", version, L"\\lib\\x64");
auto library_file = concat(library32_path, L"\\vcruntime.lib"); // @Speed: Could have library_path point to this string, with a smaller count, to save on memory flailing!
auto vs_exe64_path = concat(bstr_inst_path, L"\\VC\\Tools\\MSVC\\", version, L"\\bin\\Hostx64\\x64");
auto vs_exe64_link_path = concat(vs_exe64_path, L"\\link.exe");
if (os_file_exists(library_file)) {
result->vs_exe32_path = concat(bstr_inst_path, L"\\VC\\Tools\\MSVC\\", version, L"\\bin\\Hostx86\\x86");
result->vs_exe64_path = concat(bstr_inst_path, L"\\VC\\Tools\\MSVC\\", version, L"\\bin\\Hostx64\\x64");
result->vs_library32_path = library32_path;
result->vs_library64_path = library64_path;
return;
bool use = false;
if ((os_file_exists(library_file)) && (os_file_exists(vs_exe64_link_path)))
{
if (result->vs_version == NULL)
{
use = true;
}
else if (wcscmp(version, result->vs_version) > 0)
{
use = true;
}
}
free(library32_path);
free(library64_path);
if (use)
{
result->vs_version = version;
result->vs_exe64_path = vs_exe64_path;
result->vs_exe32_path = concat(bstr_inst_path, L"\\VC\\Tools\\MSVC\\", version, L"\\bin\\Hostx86\\x86");
result->vs_library32_path = library32_path;
result->vs_library64_path = library64_path;
}
else
{
free(version);
free(vs_exe64_path);
free(library32_path);
free(library64_path);
}
free(library_file);
free(vs_exe64_link_path);
/*
Ryan Saunderson said:
@ -480,6 +505,9 @@ void find_visual_studio_by_fighting_through_microsoft_craziness(Find_Result *res
*/
}
if (result->vs_exe64_path != NULL)
return;
// If we get here, we didn't find Visual Studio 2017. Try earlier versions.
HKEY vs7_key;