wt-status.c: set commitable bit if there is a meaningful merge.

diff --git a/git-compat-util.h b/git-compat-util.h
index b45c75fc7a6cfd8884e748ee128f72da4aa43e6e..af5af226807ed2da5a2630d258aac14953811dd4 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -58,15 +58,13 @@
 #define BUILD_ASSERT_OR_ZERO(cond) \
        (sizeof(char [1 - 2*!(cond)]) - 1)
 
-#if defined(__GNUC__) && (__GNUC__ >= 3)
-# if GIT_GNUC_PREREQ(3, 1)
+#if GIT_GNUC_PREREQ(3, 1)
  /* &arr[0] degrades to a pointer: a different type from an array */
 # define BARF_UNLESS_AN_ARRAY(arr)                                             \
        BUILD_ASSERT_OR_ZERO(!__builtin_types_compatible_p(__typeof__(arr), \
                                                           __typeof__(&(arr)[0])))
-# else
-#  define BARF_UNLESS_AN_ARRAY(arr) 0
-# endif
+#else
+# define BARF_UNLESS_AN_ARRAY(arr) 0
 #endif
 /*
  * ARRAY_SIZE - get the number of elements in a visible array
@@ -717,6 +715,7 @@ extern char *xstrndup(const char *str, size_t len);
 extern void *xrealloc(void *ptr, size_t size);
 extern void *xcalloc(size_t nmemb, size_t size);
 extern void *xmmap(void *start, size_t length, int prot, int flags, int fd, off_t offset);
+extern void *xmmap_gently(void *start, size_t length, int prot, int flags, int fd, off_t offset);
 extern ssize_t xread(int fd, void *buf, size_t len);
 extern ssize_t xwrite(int fd, const void *buf, size_t len);
 extern ssize_t xpread(int fd, void *buf, size_t len, off_t offset);