Makefile: extract script to generate clar declarations

Extract the script to generate function declarations for the clar unit
testing framework into a standalone script. This is done such that we
can reuse it in other build systems.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Taylor Blau <me@ttaylorr.com>

diff --git a/Makefile b/Makefile
index 0101d349f38c243b5d5e992a16f3602d549ce06c..6318ec0271b7ac83b67fe8b0e7e90f2d15f7d994 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -3904,9 +3904,7 @@ GIT-TEST-SUITES: FORCE
             fi
 
 $(UNIT_TEST_DIR)/clar-decls.h: $(patsubst %,$(UNIT_TEST_DIR)/%.c,$(CLAR_TEST_SUITES)) GIT-TEST-SUITES
-       $(QUIET_GEN)for suite in $(CLAR_TEST_SUITES); do \
-               sed -ne "s/^\(void test_$${suite}__[a-zA-Z_0-9][a-zA-Z_0-9]*(void)\)$$/extern \1;/p" $(UNIT_TEST_DIR)/$$suite.c; \
-       done >$@
+       $(QUIET_GEN)$(SHELL_PATH) $(UNIT_TEST_DIR)/generate-clar-decls.sh "$@" $(filter %.c,$^)
 $(UNIT_TEST_DIR)/clar.suite: $(UNIT_TEST_DIR)/clar-decls.h
        $(QUIET_GEN)awk -f $(UNIT_TEST_DIR)/clar-generate.awk $< >$(UNIT_TEST_DIR)/clar.suite
 $(CLAR_TEST_OBJS): $(UNIT_TEST_DIR)/clar-decls.h

diff --git a/t/unit-tests/generate-clar-decls.sh b/t/unit-tests/generate-clar-decls.sh
new file mode 100755 (executable)
index 0000000..688e088
--- /dev/null
+++ b/t/unit-tests/generate-clar-decls.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+if test $# -lt 2
+then
+       echo "USAGE: $0 <OUTPUT> <SUITE>..." 2>&1
+       exit 1
+fi
+
+OUTPUT="$1"
+shift
+
+for suite in "$@"
+do
+       sed -ne "s/^\(void test_$(basename "${suite%.c}")__[a-zA-Z_0-9][a-zA-Z_0-9]*(void)\)$/extern \1;/p" "$suite" ||
+       exit 1
+done >"$OUTPUT"