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Windows support (wip): target layer, Microsoft x64 ABI, portable runtime, CI

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Nexoniarz 2026-10-08 20:46:51 +02:00
commit 84cbbb3e16
18 changed files with 481 additions and 94 deletions
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20
src/cimport.cpp
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@ -1,5 +1,6 @@
#include "cimport.h"
#include "error.h"
#include "target.h"
#include <clang-c/Index.h>
@ -7,20 +8,20 @@
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <sstream>
namespace {
// Ask the system C compiler where it looks for headers, so we find the same stdio.h it would.
std::vector<std::string> systemIncludeDirs() {
const char *cc = std::getenv("CC");
std::string cmd = std::string(cc ? cc : "cc") + " -E -v -x c /dev/null 2>&1";
std::string output;
capture(g_target.cc + " -E -v -x c " + nullDevice(), output);
std::vector<std::string> dirs;
FILE *p = popen(cmd.c_str(), "r");
if (!p) return dirs;
char line[4096];
std::stringstream lines(output);
bool inList = false;
while (std::fgets(line, sizeof line, p)) {
std::string l = line;
for (std::string l; std::getline(lines, l);) {
if (!l.empty() && l.back() == '\r') l.pop_back();
l += "\n";
if (l.rfind("#include <...> search starts here:", 0) == 0) { inList = true; continue; }
if (l.rfind("End of search list.", 0) == 0) break;
if (!inList) continue;
@ -31,7 +32,6 @@ std::vector<std::string> systemIncludeDirs() {
if (d.size() > 20 && d.compare(d.size() - 20, 20, " (framework directory)") == 0) continue;
dirs.push_back(d);
}
pclose(p);
return dirs;
}
@ -318,7 +318,9 @@ CImports importHeaders(const std::vector<Import> &imports, const std::vector<std
for (const Import &im : imports) any |= im.isC;
if (!any) return out;
std::vector<std::string> args = {"-x", "c", "-std=gnu11"};
// parse for the target system: sizes (long is 32 bits on Windows) and headers differ
std::vector<std::string> args = {"-x", "c", "-std=gnu11", "--target=" + g_target.triple.str()};
if (g_target.windows) args.push_back("-D_USE_MATH_DEFINES"); // M_PI and friends, as on Linux
for (const std::string &d : dirs) args.push_back("-I" + d);
for (const std::string &d : systemIncludeDirs()) args.push_back("-isystem" + d);
std::vector<const char *> argv;