send-email: fix threaded mails without chain-reply-to

diff --git a/git-compat-util.h b/git-compat-util.h
index 1ac16bde5ab853098f857a64c6f0fea9f4c3437f..f25f7f1a9eda48477485c2406402a0a06fd9c8e3 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -41,8 +41,10 @@
 
 #if !defined(__APPLE__) && !defined(__FreeBSD__)  && !defined(__USLC__) && !defined(_M_UNIX)
 #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */
+#ifndef __sun__
 #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */
 #endif
+#endif
 #define _ALL_SOURCE 1
 #define _GNU_SOURCE 1
 #define _BSD_SOURCE 1
@@ -97,6 +99,13 @@
 #include "compat/mingw.h"
 #endif /* __MINGW32__ */
 
+#ifndef NO_LIBGEN_H
+#include <libgen.h>
+#else
+#define basename gitbasename
+extern char *gitbasename(char *);
+#endif
+
 #ifndef NO_ICONV
 #include <iconv.h>
 #endif
@@ -232,6 +241,11 @@ extern int gitsetenv(const char *, const char *, int);
 extern char *gitmkdtemp(char *);
 #endif
 
+#ifdef NO_MKSTEMPS
+#define mkstemps gitmkstemps
+extern int gitmkstemps(char *, int);
+#endif
+
 #ifdef NO_UNSETENV
 #define unsetenv gitunsetenv
 extern void gitunsetenv(const char *);
@@ -415,4 +429,10 @@ void git_qsort(void *base, size_t nmemb, size_t size,
 #define fstat_is_reliable() 1
 #endif
 
+/*
+ * Preserves errno, prints a message, but gives no warning for ENOENT.
+ * Always returns the return value of unlink(2).
+ */
+int unlink_or_warn(const char *path);
+
 #endif