Only use test wrapper-script if host is MinGW

Currently it fails if the executable extension is .exe, but wine isn't
available (e.g. on Cygwin)

Possibly the check to use this wrapper should be even more restrictive
e.g. checking if cross-building and/or if wine is available.

test/Makefile.am

@@ -6,12 +6,15 @@ TEST_EXTENSIONS = \
 AM_TESTS_ENVIRONMENT= \
 	src=${srcdir}; export src; \
 	EXEEXT=${EXEEXT}; export EXEEXT; \
+	LOG_COMPILER=${LOG_COMPILER} ; export LOG_COMPILER; \
 	$(NULL)
 
 BUILT_SOURCES = $(builddir)/out.expected
 
 SH_LOG_COMPILER = sh
+if OS_WIN32
 LOG_COMPILER = ${srcdir}/wrapper-script.sh
+endif
 TESTS=run-test.sh
 
 TESTDATA =			\

test/run-test.sh

@@ -32,7 +32,6 @@ BASEDIR=`mktemp -d --tmpdir fontconfig.XXXXXXXX`
 FONTDIR="$BASEDIR"/fonts
 CACHEDIR="$BASEDIR"/cache.dir
 EXPECTED=${EXPECTED-"out.expected"}
-LOG_COMPILER=${LOG_COMPILER-"$TESTDIR/wrapper-script.sh"}
 
 ECHO=true