Miscelaneous tweaks for Visual C in Cygwin compatibility

main.c

@@ -17,6 +17,10 @@
 #include <libpkgconf/libpkgconf.h>
 #include "config.h"
 #include "getopt_long.h"
+#ifdef _WIN32
+#include <io.h>     /* for _setmode() */
+#include <fcntl.h>
+#endif
 
 #define PKG_CFLAGS_ONLY_I		(((uint64_t) 1) << 2)
 #define PKG_CFLAGS_ONLY_OTHER		(((uint64_t) 1) << 3)
@@ -652,6 +656,16 @@ main(int argc, char *argv[])
 
 	want_flags = 0;
 
+#ifdef _WIN32
+	/* When running regression tests in cygwin, and building native
+	 * executable, tests fail unless native executable outputs unix
+	 * line endings.  Come to think of it, this will probably help
+	 * real people who use cygwin build environments but native pkgconf, too.
+	 */
+	_setmode(fileno(stdout), O_BINARY);
+	_setmode(fileno(stderr), O_BINARY);
+#endif
+
 	struct pkg_option options[] = {
 		{ "version", no_argument, &want_flags, PKG_VERSION|PKG_PRINT_ERRORS, },
 		{ "about", no_argument, &want_flags, PKG_ABOUT|PKG_PRINT_ERRORS, },

tests/test_env.sh.in

@@ -1,10 +1,32 @@
-export PATH="$(atf_get_srcdir)/../:${PATH}"
+srcdir="$(atf_get_srcdir)"
+export PATH="$srcdir/..:${PATH}"
+
+#--- begin windows kludge ---
+# When building with Visual Studio, binaries are in a subdirectory named after the configration...
+# and the configuration is not known unless you're in the IDE, or something.
+# So just guess.  This won't work well if you build more than one configuration.
+the_configuration=""
+for configuration in Debug Release RelWithDebInfo
+do
+    if test -d "$srcdir/../$configuration"
+    then
+        if test "$the_configuration" != ""
+        then
+            echo "test_env.sh: FAIL: more than one configuration found"
+            exit 1
+        fi
+        the_configuration=$configuration
+        export PATH="$srcdir/../${configuration}:${PATH}"
+    fi
+done
+#--- end kludge ---
+
 selfdir="@abs_top_srcdir@/tests"
 PATH_SEP=":"
 SYSROOT_DIR="${selfdir}/test"
-if [ "$(uname -s)" = "Msys" ]; then
-	PATH_SEP=";"
-fi
+case "$(uname -s)" in
+Msys|CYGWIN*) PATH_SEP=";";;
+esac
 
 prefix="@prefix@"
 exec_prefix="@exec_prefix@"