From 0e1d50c8f0faba9cf50a2e5c90f5e8e82e90e4b3 Mon Sep 17 00:00:00 2001
From: Tom Smeding <tom.smeding@gmail.com>
Date: Mon, 17 Aug 2020 23:50:52 +0200
Subject: Initial working version

---
 Makefile | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Makefile

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..f63a25a
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,48 @@
+CC = gcc
+CFLAGS = -Wall -Wextra -std=c11 -O2 -g
+LDFLAGS =
+LDFLAGS_LIB = $(LDFLAGS) -ldl
+TARGET = exec-intercept
+
+OBJDIR = obj
+GENDIR = gen
+
+SOURCES := $(sort $(wildcard *.c) $(GENDIR)/libintercept.so.c)
+HEADERS_LIB := $(wildcard lib/*.h)
+HEADERS := $(sort $(wildcard *.h) $(HEADERS_LIB) $(GENDIR)/libintercept.so.h)
+
+.PHONY: all clean
+
+all: $(TARGET)
+
+clean:
+	@echo "Cleaning"
+	@rm -f $(TARGET)
+	@rm -rf $(OBJDIR) $(GENDIR)
+
+
+$(OBJDIR)/lib/libintercept.so: lib/libintercept.c $(HEADERS_LIB)
+	@mkdir -p $(dir $@)
+	@echo "CCLD -o $@"
+	@$(CC) $(CFLAGS) -fPIC -shared -o $@ $< $(LDFLAGS_LIB)
+
+$(GENDIR)/libintercept.so.c: $(OBJDIR)/lib/libintercept.so
+	@mkdir -p $(dir $@)
+	@echo "XXD -i $<"
+	@cd $(dir $<) && xxd -i $(notdir $<) >$(abspath $@)
+
+$(GENDIR)/libintercept.so.h: $(GENDIR)/libintercept.so.c
+	@echo "SED -o $@"
+	@sed -n 's/^\(.*\) =.*/extern \1;/p' $< >$@
+
+$(OBJDIR)/%.o: %.c $(HEADERS) | $(OBJDIR)
+	@mkdir -p $(dir $@)
+	@echo "CC $<"
+	@$(CC) $(CFLAGS) -c -o $@ $<
+
+$(TARGET): $(patsubst %.c,$(OBJDIR)/%.o,$(SOURCES)) | $(OBJDIR)
+	@echo "LD -o $@"
+	@$(CC) -o $@ $^ $(LDFLAGS)
+
+$(OBJDIR):
+	@mkdir -p $(OBJDIR)
-- 
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