Add CC, CFLAGS, and LDFLAGS to the Makefile for easy customization.

diff --git a/src/sawsim.nw b/src/sawsim.nw
index f926b1cd33879f077c29ba7cd449eee8c7196600..f70f9861dc17f7ef7a11bda9d627fc78dc4b2036 100644 (file)
--- a/src/sawsim.nw
+++ b/src/sawsim.nw
@@ -3881,7 +3881,7 @@ TENSION_MODEL_SRC = $(BUILD_DIR)/tension_model_utils.c $(BUILD_DIR)/global.h \
 $(BUILD_DIR)/tension_model_utils.c : $(SRC_DIR)/sawsim.nw | $(BUILD_DIR)
        notangle -Rtension-model-utils.c $< > $@
 $(BIN_DIR)/tension_model_utils : $(TENSION_MODEL_SRC) | $(BIN_DIR)
-       gcc -g -o $@ $< $(TENSION_MODEL_MODS:%=$(BUILD_DIR)/%.c) $(LIBS:%=-l%)
+       $(CC) $(CFLAGS) $(LDFLAGS) -g -o $@ $< $(TENSION_MODEL_MODS:%=$(BUILD_DIR)/%.c) $(LIBS:%=-l%)
 clean_tension_model_utils :
        rm -f $(BUILD_DIR)/tension_model_utils.c $(BIN_DIR)/tension_model_utils
 @ The pipe symbol [[|]] marks the prerequisits following it (in this
@@ -5211,7 +5211,7 @@ K_MODEL_SRC = $(BUILD_DIR)/k_model_utils.c $(BUILD_DIR)/global.h \
 $(BUILD_DIR)/k_model_utils.c : $(SRC_DIR)/sawsim.nw | $(BUILD)
        notangle -Rk-model-utils.c $< > $@
 $(BIN_DIR)/k_model_utils : $(K_MODEL_SRC) | $(BIN_DIR)
-       gcc -g -o $@ $< $(K_MODEL_MODS:%=$(BUILD_DIR)/%.c) $(LIBS:%=-l%)
+       $(CC) $(CFLAGS) $(LDFLAGS) -g -o $@ $< $(K_MODEL_MODS:%=$(BUILD_DIR)/%.c) $(LIBS:%=-l%)
 clean_k_model_utils :
        rm -f $(BUILD_DIR)/k_model_utils.c $(BIN_DIR)/k_model_utils
 @
@@ -6567,6 +6567,11 @@ Extract the makefile with
 The sed is needed because notangle replaces tabs with eight spaces,
 but [[make]] needs tabs.
 <<makefile>>=
+# Customize compilation
+CC = gcc
+CFLAGS =
+LDFLAGS =
+
 # Decide what directories to put things in
 SRC_DIR = src
 BUILD_DIR = build
@@ -6625,11 +6630,11 @@ clean : $(CHECK_BINS:%=clean_%) $(SAWSIM_MODS:%=clean_%) \
 
 # Various builds of sawsim
 $(BIN_DIR)/sawsim : $(SAWSIM_SRC) | $(BIN_DIR)
-       gcc -g -o $@ $< $(SAWSIM_MODS:%=$(BUILD_DIR)/%.c) $(LIBS:%=-l%)
+       $(CC) $(CFLAGS) $(LDFLAGS) -g -o $@ $< $(SAWSIM_MODS:%=$(BUILD_DIR)/%.c) $(LIBS:%=-l%)
 $(BIN_DIR)/sawsim_static : $(SAWSIM_SRC) | $(BIN_DIR)
-       gcc -g -static -o $@ $< $(SAWSIM_MODS:%=$(BUILD_DIR)/%.c) $(LIBS:%=-l%)
+       $(CC) $(CFLAGS) $(LDFLAGS) -g -static -o $@ $< $(SAWSIM_MODS:%=$(BUILD_DIR)/%.c) $(LIBS:%=-l%)
 $(BIN_DIR)/sawsim_profile : $(SAWSIM_SRC) | $(BIN_DIR)
-       gcc -g -pg -o $@ $< $(SAWSIM_MODS:%=$(BUILD_DIR)/%.c) $(LIBS:%=-l%)
+       $(CC) $(CFLAGS) $(LDFLAGS) -g -pg -o $@ $< $(SAWSIM_MODS:%=$(BUILD_DIR)/%.c) $(LIBS:%=-l%)
 
 # Create the directories
 $(BUILD_DIR) $(BIN_DIR) $(DOC_DIR) :
@@ -6670,7 +6675,7 @@ $(BUILD_DIR)/check_sawsim.c : $(SRC_DIR)/sawsim.nw
 $(BIN_DIR)/check_sawsim : $(BUILD_DIR)/check_sawsim.c $(BUILD_DIR)/global.h \
                $(SAWSIM_MODS:%=$(BUILD_DIR)/%.c) \
                $(SAWSIM_MODS:%=$(BUILD_DIR)/%.h) | $(BIN_DIR)
-       gcc -g -o $@ $< $(SAWSIM_MODS:%=$(BUILD_DIR)/%.c) $(CHECK_LIBS:%=-l%)
+       $(CC) $(CFLAGS) $(LDFLAGS) -g -o $@ $< $(SAWSIM_MODS:%=$(BUILD_DIR)/%.c) $(CHECK_LIBS:%=-l%)
 clean_check_sawsim :
        rm -f $(BIN_DIR)/check_sawsim $(BUILD_DIR)/check_sawsim.c
 # ... and the modules
@@ -6681,7 +6686,7 @@ $(CHECK_BINS:%=$(BIN_DIR)/%) : $$(subst $(BIN_DIR),$(BUILD_DIR),$$@).c \
                $$(patsubst %,$(BUILD_DIR)/%.c,$$($$(subst $(BIN_DIR)/,,$$@_MODS)))\
                $$(patsubst %,$(BUILD_DIR)/%.h,$$($$(subst $(BIN_DIR)/,,$$@_MODS)))\
                $$(BUILD_DIR)/global.h | $(BIN_DIR)
-       gcc -g -o $@ $< $(@:$(BIN_DIR)/check_%=$(BUILD_DIR)/%.c) \
+       $(CC) $(CFLAGS) $(LDFLAGS) -g -o $@ $< $(@:$(BIN_DIR)/check_%=$(BUILD_DIR)/%.c) \
                $(patsubst %,$(BUILD_DIR)/%.c,$($(subst $(BIN_DIR)/,,$@_MODS)))\
                $(CHECK_LIBS:%=-l%)
 # TODO: clean up the required modules too