Add HAVE_STRVERSCMP, guard the only usage of strverscmp with #ifdef

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/coreutils/ls.c b/coreutils/ls.c
index c42f5f3d2f0c390247345fa9f9dcfa2b2a2d819c..6080f59b67af92021bfb8078eeea845716285a29 100644 (file)
--- a/coreutils/ls.c
+++ b/coreutils/ls.c
@@ -886,9 +886,11 @@ static int sortcmp(const void *a, const void *b)
        if (sort_opts == SORT_DIR) {
                dif = S_ISDIR(d2->dn_mode) - S_ISDIR(d1->dn_mode);
        } else
+#ifdef HAVE_STRVERSCMP && HAVE_STRVERSCMP == 1
        if (sort_opts == SORT_VERSION) {
                dif = strverscmp(d1->name, d2->name);
        } else
+#endif
        if (sort_opts == SORT_EXT) {
                dif = strcmp(strchrnul(d1->name, '.'), strchrnul(d2->name, '.'));
        }

diff --git a/include/platform.h b/include/platform.h
index 429220b0d65b406334ea8665ca27bfc226ebf230..d6b7488441c369b6deb148362da8264ba59c6178 100644 (file)
--- a/include/platform.h
+++ b/include/platform.h
@@ -348,6 +348,7 @@ typedef unsigned smalluint;
 #define HAVE_STRCHRNUL 1
 #define HAVE_STRSEP 1
 #define HAVE_STRSIGNAL 1
+#define HAVE_STRVERSCMP 1
 #define HAVE_VASPRINTF 1
 #define HAVE_XTABS 1
 #define HAVE_MNTENT_H 1
@@ -372,6 +373,7 @@ typedef unsigned smalluint;
 # undef HAVE_STRCHRNUL
 # undef HAVE_STRSEP
 # undef HAVE_STRSIGNAL
+# undef HAVE_STRVERSCMP
 # undef HAVE_VASPRINTF
 # undef HAVE_NET_ETHERNET_H
 #endif
@@ -389,18 +391,21 @@ typedef unsigned smalluint;
 # undef HAVE_PTSNAME_R
 # undef HAVE_SYS_STATFS_H
 # undef HAVE_SIGHANDLER_T
+# undef HAVE_STRVERSCMP
 # undef HAVE_XTABS
 # undef HAVE_DPRINTF
 #endif
 
 #if defined(__digital__) && defined(__unix__)
 # undef HAVE_STPCPY
+# undef HAVE_STRVERSCMP
 #endif
 
 #if defined(ANDROID)
 # undef HAVE_DPRINTF
 # undef HAVE_STPCPY
 # undef HAVE_STRCHRNUL
+# undef HAVE_STRVERSCMP
 # undef HAVE_NET_ETHERNET_H
 #endif