From 91d8c4853308cf055a3c1fb1e0e86f300954baed Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Sun, 27 Sep 2009 14:52:04 +0000
Subject: add qpdf-ctest as C test program

git-svn-id: svn+q:///qpdf/trunk@726 71b93d88-0707-0410-a8cf-f5a4172ac649
---
 make/rules.mk     | 14 ++++++++++++++
 qpdf/build.mk     | 11 +++++++++--
 qpdf/qpdf-ctest.c |  6 ++++++
 3 files changed, 29 insertions(+), 2 deletions(-)
 create mode 100644 qpdf/qpdf-ctest.c

diff --git a/make/rules.mk b/make/rules.mk
index 335c6fce..01b6f2f2 100644
--- a/make/rules.mk
+++ b/make/rules.mk
@@ -4,6 +4,11 @@ define src_to_obj
 $(foreach F,$(1),$(dir $(F))$(OUTPUT_DIR)/$(patsubst %.cc,%.o,$(notdir $(F))))
 endef
 
+# Usage: $(call c_src_to_obj,srcs)
+define c_src_to_obj
+$(foreach F,$(1),$(dir $(F))$(OUTPUT_DIR)/$(patsubst %.c,%.o,$(notdir $(F))))
+endef
+
 # Usage: $(call src_to_lobj,srcs)
 define src_to_lobj
 $(foreach F,$(1),$(dir $(F))$(OUTPUT_DIR)/$(patsubst %.cc,%.lo,$(notdir $(F))))
@@ -46,6 +51,15 @@ define compile
 		-c $(1) -o $(call src_to_obj,$(1))
 endef
 
+#                       1   2
+# Usage: $(call c_compile,src,includes)
+define c_compile
+	$(CC) $(CPPFLAGS) $(CFLAGS) \
+		$(call depflags,$(basename $(call src_to_obj,$(1)))) \
+		$(foreach I,$(2),-I$(I)) \
+		-c $(1) -o $(call c_src_to_obj,$(1))
+endef
+
 #                          1   2
 # Usage: $(call libcompile,src,includes)
 define libcompile
diff --git a/qpdf/build.mk b/qpdf/build.mk
index b6fc55c9..1f439bb4 100644
--- a/qpdf/build.mk
+++ b/qpdf/build.mk
@@ -1,6 +1,7 @@
 BINS_qpdf = qpdf test_driver
+CBINS_qpdf = qpdf-ctest
 
-TARGETS_qpdf = $(foreach B,$(BINS_qpdf),qpdf/$(OUTPUT_DIR)/$(B))
+TARGETS_qpdf = $(foreach B,$(BINS_qpdf) $(CBINS_qpdf),qpdf/$(OUTPUT_DIR)/$(B))
 
 $(TARGETS_qpdf): $(TARGETS_libqpdf)
 
@@ -12,6 +13,8 @@ TC_SRCS_qpdf = $(wildcard libqpdf/*.cc) $(wildcard qpdf/*.cc)
 
 $(foreach B,$(BINS_qpdf),$(eval \
   OBJS_$(B) = $(call src_to_obj,qpdf/$(B).cc)))
+$(foreach B,$(CBINS_qpdf),$(eval \
+  OBJS_$(B) = $(call c_src_to_obj,qpdf/$(B).c)))
 
 ifeq ($(GENDEPS),1)
 -include $(foreach B,$(BINS_qpdf),$(call obj_to_dep,$(OBJS_$(B))))
@@ -21,6 +24,10 @@ $(foreach B,$(BINS_qpdf),$(eval \
   $(OBJS_$(B)): qpdf/$(OUTPUT_DIR)/%.o: qpdf/$(B).cc ; \
 	$(call compile,qpdf/$(B).cc,$(INCLUDES_qpdf))))
 
-$(foreach B,$(BINS_qpdf),$(eval \
+$(foreach B,$(CBINS_qpdf),$(eval \
+  $(OBJS_$(B)): qpdf/$(OUTPUT_DIR)/%.o: qpdf/$(B).c ; \
+	$(call c_compile,qpdf/$(B).c,$(INCLUDES_qpdf))))
+
+$(foreach B,$(BINS_qpdf) $(CBINS_qpdf),$(eval \
   qpdf/$(OUTPUT_DIR)/$(B): $(OBJS_$(B)) ; \
 	$(call makebin,$(OBJS_$(B)),$$@)))
diff --git a/qpdf/qpdf-ctest.c b/qpdf/qpdf-ctest.c
new file mode 100644
index 00000000..1a25d22a
--- /dev/null
+++ b/qpdf/qpdf-ctest.c
@@ -0,0 +1,6 @@
+#include <qpdf/qpdf-c.h>
+
+int main()
+{
+    return 0;
+}
-- 
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