Fix strerror() handling for systems which set ANSI_STRING.

Don't print errors if "include" is specified with no arguments.
New test suite for the $(shell ...) function.

2 files changed, 33 insertions, 0 deletions

diff --git a/tests/scripts/features/include b/tests/scripts/features/include
index 26ee1bd..5030662 100644
--- a/tests/scripts/features/include
+++ b/tests/scripts/features/include
@@ -107,4 +107,14 @@ foo: bar; @:
 bar:; @false
 ', '', '');
 
+# Check include, sinclude, -include with no filenames.
+# (Savannah bug #1761).
+
+run_make_test('
+.PHONY: all
+all:; @:
+include
+-include
+sinclude', '', '');
+
 1;
diff --git a/tests/scripts/functions/shell b/tests/scripts/functions/shell
new file mode 100644
index 0000000..ecea4cf
--- /dev/null
+++ b/tests/scripts/functions/shell
@@ -0,0 +1,23 @@
+#                                                                    -*-perl-*-
+
+$description = 'Test the $(shell ...) function.';
+
+$details = '';
+
+
+# Test shells inside rules.
+run_make_test('.PHONY: all
+all: ; @echo $(shell echo hi)
+','','hi');
+
+
+# Test shells inside exported environment variables.
+# This is the test that fails if we try to put make exported variables into
+# the environment for a $(shell ...) call.
+run_make_test('
+export HI = $(shell echo hi)
+.PHONY: all
+all: ; @echo $$HI
+','','hi');
+
+1;