diff --git a/Makefile b/Makefile
index 2107610..2e51c31 100644
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,26 @@ SHA1_HEADER = <openssl/sha.h>
 GIT_VER = 1.6.0.3
 GIT_URL = http://www.kernel.org/pub/software/scm/git/git-$(GIT_VER).tar.bz2
 
+# Define NO_STRCASESTR if you don't have strcasestr.
+#
+# Define NEEDS_LIBICONV if linking with libc is not enough (eg. Darwin).
+#
+
+#-include config.mak
+
+#
+# Platform specific tweaks
+#
+
+uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
+uname_O := $(shell sh -c 'uname -o 2>/dev/null || echo not')
+uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
+
+ifeq ($(uname_O),Cygwin)
+	NO_STRCASESTR = YesPlease
+	NEEDS_LIBICONV = YesPlease
+endif
+
 #
 # Let the user override the above settings.
 #
@@ -96,6 +116,9 @@ CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
 ifdef NO_ICONV
 	CFLAGS += -DNO_ICONV
 endif
+ifdef NO_STRCASESTR
+	CFLAGS += -DNO_STRCASESTR
+endif
 
 cgit: $(OBJECTS) libgit
 	$(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o cgit $(OBJECTS) $(EXTLIBS)
diff --git a/cgit.h b/cgit.h
index 91db98a..92f0c5a 100644
--- a/cgit.h
+++ b/cgit.h
@@ -233,11 +233,5 @@ extern const char *cgit_repobasename(const char *reponame);
 
 extern int cgit_parse_snapshots_mask(const char *str);
 
-/* libgit.a either links against or compiles its own implementation of
- * strcasestr(), and we'd like to reuse it. Simply re-declaring it
- * seems to do the trick.
- */
-extern char *strcasestr(const char *haystack, const char *needle);
-
 
 #endif /* CGIT_H */
diff --git a/parsing.c b/parsing.c
index c8f3048..f3f3b15 100644
--- a/parsing.c
+++ b/parsing.c
@@ -96,6 +96,9 @@ char *parse_user(char *t, char **name, char **email, unsigned long *date)
 	return p;
 }
 
+#ifdef NO_ICONV
+#define reencode(a, b, c)
+#else
 const char *reencode(char **txt, const char *src_enc, const char *dst_enc)
 {
 	char *tmp;
@@ -110,6 +113,7 @@ const char *reencode(char **txt, const char *src_enc, const char *dst_enc)
 	}
 	return *txt;
 }
+#endif
 
 struct commitinfo *cgit_parse_commit(struct commit *commit)
 {
diff --git a/ui-log.c b/ui-log.c
index 8dd8b89..d212984 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -64,18 +64,31 @@ void print_commit(struct commit *commit)
 	cgit_free_commitinfo(info);
 }
 
+static const char *disambiguate_ref(const char *ref)
+{
+	unsigned char sha1[20];
+	const char *longref;
+
+	longref = fmt("refs/heads/%s", ref);
+	if (get_sha1(longref, sha1) == 0)
+		return longref;
+
+	return ref;
+}
 
 void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
 		    char *path, int pager)
 {
 	struct rev_info rev;
 	struct commit *commit;
-	const char *argv[] = {NULL, tip, NULL, NULL, NULL};
+	const char *argv[] = {NULL, NULL, NULL, NULL, NULL};
 	int argc = 2;
 	int i, columns = 3;
 
 	if (!tip)
-		argv[1] = ctx.qry.head;
+		tip = ctx.qry.head;
+
+	argv[1] = disambiguate_ref(tip);
 
 	if (grep && pattern && (!strcmp(grep, "grep") ||
 				!strcmp(grep, "author") ||
diff --git a/ui-repolist.c b/ui-repolist.c
index c23232c..2324273 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -6,6 +6,10 @@
  *   (see COPYING for full license text)
  */
 
+/* This is needed for strcasestr to be defined by <string.h> */
+#define _GNU_SOURCE 1
+#include <string.h>
+
 #include <time.h>
 
 #include "cgit.h"