From 87b63c2a6813d7024aa9fc48dfd5d4677462b383 Mon Sep 17 00:00:00 2001
From: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
Date: Thu, 15 May 2014 16:33:11 +0200
Subject: GNUmakefile: enable support for CC env variable to use e.g. clang

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
---
 GNUmakefile | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

(limited to 'GNUmakefile')

diff --git a/GNUmakefile b/GNUmakefile
index 7a74ec3..f387e30 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -91,6 +91,11 @@ ifndef DESTDIR
     DESTDIR := /usr
 endif
 
+# --------------------------------------------------------------------------
+# Compiler CC handling
+ifndef CC
+    CC := gcc
+endif
 
 # --------------------------------------------------------------------------
 # Acquire configuration information for libraries that libs3 depends upon
@@ -205,18 +210,18 @@ uninstall:
 $(BUILD)/obj/%.o: src/%.c
 	$(QUIET_ECHO) $@: Compiling object
 	@ mkdir -p $(dir $(BUILD)/dep/$<)
-	@ gcc $(CFLAGS) -M -MG -MQ $@ -DCOMPILINGDEPENDENCIES \
+	@ $(CC) $(CFLAGS) -M -MG -MQ $@ -DCOMPILINGDEPENDENCIES \
         -o $(BUILD)/dep/$(<:%.c=%.d) -c $<
 	@ mkdir -p $(dir $@)
-	$(VERBOSE_SHOW) gcc $(CFLAGS) -o $@ -c $<
+	$(VERBOSE_SHOW) $(CC) $(CFLAGS) -o $@ -c $<
 
 $(BUILD)/obj/%.do: src/%.c
 	$(QUIET_ECHO) $@: Compiling dynamic object
 	@ mkdir -p $(dir $(BUILD)/dep/$<)
-	@ gcc $(CFLAGS) -M -MG -MQ $@ -DCOMPILINGDEPENDENCIES \
+	@ $(CC) $(CFLAGS) -M -MG -MQ $@ -DCOMPILINGDEPENDENCIES \
         -o $(BUILD)/dep/$(<:%.c=%.dd) -c $<
 	@ mkdir -p $(dir $@)
-	$(VERBOSE_SHOW) gcc $(CFLAGS) -fpic -fPIC -o $@ -c $< 
+	$(VERBOSE_SHOW) $(CC) $(CFLAGS) -fpic -fPIC -o $@ -c $< 
 
 
 # --------------------------------------------------------------------------
@@ -236,7 +241,7 @@ LIBS3_SOURCES := acl.c bucket.c error_parser.c general.c \
 $(LIBS3_SHARED): $(LIBS3_SOURCES:%.c=$(BUILD)/obj/%.do)
 	$(QUIET_ECHO) $@: Building shared library
 	@ mkdir -p $(dir $@)
-	$(VERBOSE_SHOW) gcc -shared -Wl,-soname,libs3.so.$(LIBS3_VER_MAJOR) \
+	$(VERBOSE_SHOW) $(CC) -shared -Wl,-soname,libs3.so.$(LIBS3_VER_MAJOR) \
         -o $@ $^ $(LDFLAGS)
 
 $(LIBS3_STATIC): $(LIBS3_SOURCES:%.c=$(BUILD)/obj/%.o)
@@ -254,7 +259,7 @@ s3: $(BUILD)/bin/s3
 $(BUILD)/bin/s3: $(BUILD)/obj/s3.o $(LIBS3_SHARED)
 	$(QUIET_ECHO) $@: Building executable
 	@ mkdir -p $(dir $@)
-	$(VERBOSE_SHOW) gcc -o $@ $^ $(LDFLAGS)
+	$(VERBOSE_SHOW) $(CC) -o $@ $^ $(LDFLAGS)
 
 
 # --------------------------------------------------------------------------
@@ -278,7 +283,7 @@ test: $(BUILD)/bin/testsimplexml
 $(BUILD)/bin/testsimplexml: $(BUILD)/obj/testsimplexml.o $(LIBS3_STATIC)
 	$(QUIET_ECHO) $@: Building executable
 	@ mkdir -p $(dir $@)
-	$(VERBOSE_SHOW) gcc -o $@ $^ $(LIBXML2_LIBS)
+	$(VERBOSE_SHOW) $(CC) -o $@ $^ $(LIBXML2_LIBS)
 
 
 # --------------------------------------------------------------------------
-- 
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