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From cd472e72487bc8b5ec4ef870079f0ab0c913bc32 Mon Sep 17 00:00:00 2001
From: Sergei Litvin <litvindev@gmail.com>
Date: Sun, 1 Feb 2026 18:26:04 +0100
Subject: [PATCH] Fix detecting GCC include files and predefined macros in
Windows
---
xref-any/src/main.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/src/main.c b/src/main.c
index f8c4aad..9570b68 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2200,7 +2200,11 @@ static void getAndProcessGccIncludeOptions() {
isActiveSect = 0;
ttt = crTmpFileName_st();
assert(strlen(ttt)+1 < MAX_FILE_NAME_SIZE);
+#if defined (__WIN32__)
+ sprintf(tmpBuff, "set LANG=C && cpp -v -x %s -o NUL - <NUL >%s 2>&1", lang, ttt);
+#else
sprintf(tmpBuff, "LANG=C cpp -v -x %s -o /dev/null /dev/null >%s 2>&1", lang, ttt);
+#endif
system(tmpBuff);
ff = fopen(ttt,"r");
if (ff==NULL) return;
@@ -2239,7 +2243,11 @@ static void getAndProcessGccDefineOptions() {
}
ttt = crTmpFileName_st();
assert(strlen(ttt)+1 < MAX_FILE_NAME_SIZE);
+#if defined (__WIN32__)
+ sprintf(tmpBuff, "set LANG=C && cpp -dM -x %s -o %s NUL 1>NUL 2>&1", lang, ttt);
+#else
sprintf(tmpBuff, "LANG=C cpp -dM -x %s -o %s /dev/null 1>/dev/null 2>&1", lang, ttt);
+#endif
system(tmpBuff);
ff = fopen(ttt,"r");
if (ff==NULL) return;
--
2.50.0.windows.1
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