tests: add a regression test for #108

tests/regress.sh

@@ -23,7 +23,8 @@ tests_init \
 	idirafter_munge_sysroot \
 	idirafter_ordering \
 	pcpath \
-	sysroot_munge
+	sysroot_munge \
+	virtual_variable
 
 case_sensitivity_body()
 {
@@ -203,3 +204,16 @@ sysroot_munge_body()
 		-o inline:"-L/sysroot2/sysroot/lib -lfoo  \n" \
 		pkgconf --libs sysroot-dir
 }
+
+virtual_variable_body()
+{
+	atf_check -s exit:0 \
+		pkgconf --exists pkg-config
+	atf_check -s exit:0 \
+		pkgconf --exists pkgconf
+
+	atf_check -o inline:"${pcpath}\n" \
+		pkgconf --variable=pc_path pkg-config
+	atf_check -o inline:"${pcpath}\n" \
+		pkgconf --variable=pc_path pkgconf
+}

tests/test_env.sh.in

@@ -6,6 +6,11 @@ if [ "$(uname -s)" = "Msys" ]; then
 	PATH_SEP=";"
 fi
 
+prefix="@prefix@"
+exec_prefix="@exec_prefix@"
+datarootdir="@datarootdir@"
+pcpath="@PKGCONFIGDIR@"
+
 tests_init()
 {
 	TESTS="$@"