libbb: really add build details to banner

Look at the environment variable during compilation, not runtime.

2 files changed, 5 insertions, 5 deletions

diff --git a/Makefile.flags b/Makefile.flags
index a2fba5028..58fcf33eb 100644
--- a/Makefile.flags
+++ b/Makefile.flags
@@ -15,7 +15,8 @@ CPPFLAGS += \
         -include include/autoconf.h \
         -D_GNU_SOURCE -DNDEBUG \
         $(if $(CONFIG_LFS),-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64) \
-        -D"BB_VER=KBUILD_STR($(BB_VER))" -DBB_BT=AUTOCONF_TIMESTAMP
+        -D"BB_VER=KBUILD_STR($(BB_VER))" -DBB_BT=AUTOCONF_TIMESTAMP \
+        -D"MINGW_VER=KBUILD_STR($(MINGW_VER))"
 
 CFLAGS += $(call cc-option,-Wall,)
 CFLAGS += $(call cc-option,-Wshadow,)
diff --git a/libbb/appletlib.c b/libbb/appletlib.c
index eafc5fce8..06857ed61 100644
--- a/libbb/appletlib.c
+++ b/libbb/appletlib.c
@@ -635,10 +635,9 @@ static int busybox_main(char **argv)
                 dup2(1, 2);
                 full_write2_str(bb_banner); /* reuse const string */
                 full_write2_str(" multi-call binary.\n"); /* reuse */
-#if ENABLE_PLATFORM_MINGW32
-                if ((a=getenv("MINGW_VERSION"))) {
-                        full_write2_str(a);
-                        full_write2_str("\n\n");
+#if defined(MINGW_VER)
+                if (strlen(MINGW_VER)) {
+                        full_write2_str(MINGW_VER "\n\n");
                 }
 #endif
                 full_write2_str(