[ccan] [PATCH v2 12/13] Makefile: Define CFLAGS_FORCE_C_SOURCE macro

Kevin Locke kevin at kevinlocke.name
Fri Sep 23 13:33:15 AEST 2016


This macro holds the C compiler flag(s) to force input files to be
recognized as C sources regardless of extension.  It is defined to allow
overriding on the make command line.

Signed-off-by: Kevin Locke <kevin at kevinlocke.name>
---
 Makefile      | 2 +-
 Makefile-ccan | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 127b875..37ff17d 100644
--- a/Makefile
+++ b/Makefile
@@ -64,7 +64,7 @@ summary-fastcheck/%: tools/ccanlint/ccanlint $(OBJFILES)
 	$(CCANLINT_FAST) -s ccan/$*
 
 ccan/%/info: ccan/%/_info config.h
-	$(CC) $(CCAN_CFLAGS) -I. -o $@ -x c $<
+	$(CC) $(CCAN_CFLAGS) -I. -o $@ $(CFLAGS_FORCE_C_SOURCE) $<
 
 all_info: $(MODS:%=ccan/%/info)
 
diff --git a/Makefile-ccan b/Makefile-ccan
index 5c8dea2..d4a5528 100644
--- a/Makefile-ccan
+++ b/Makefile-ccan
@@ -5,6 +5,7 @@
 #CCAN_CFLAGS=-g -O3 -Wall -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wwrite-strings -Wundef -DCCAN_STR_DEBUG=1
 CCAN_CFLAGS=-g3 -ggdb -Wall -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wwrite-strings -Wundef -DCCAN_STR_DEBUG=1
 CFLAGS = $(CCAN_CFLAGS) -I. $(DEPGEN)
+CFLAGS_FORCE_C_SOURCE = -x c
 
 MODS := a_star \
 	aga \
-- 
2.9.3



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