Convert to CMake

CMakeLists.txt

@@ -0,0 +1,27 @@
+cmake_minimum_required (VERSION 2.8.12)
+project (tini)
+
+# Config
+set (tini_VERSION_MAJOR 0)
+set (tini_VERSION_MINOR 3)
+set (tini_VERSION_PATCH 1)
+execute_process (COMMAND git log -n 1 --date=local --pretty=format:"%h" OUTPUT_VARIABLE tini_VERSION_GIT)
+
+# Flags
+add_definitions (-D_FORTIFY_SOURCE=2)
+set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -Wextra -Wall -pedantic -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security")
+set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-s")
+
+# Build
+
+configure_file (
+	"${PROJECT_SOURCE_DIR}/tiniConfig.h.in"
+	"${PROJECT_BINARY_DIR}/tiniConfig.h"
+)
+
+include_directories ("${PROJECT_BINARY_DIR}")
+
+add_executable (tini tini.c)
+
+add_executable (tini-static tini.c)
+set_target_properties (tini-static PROPERTIES LINK_FLAGS "-static")

Dockerfile

@@ -1,10 +1,12 @@
 FROM ubuntu
 
 RUN apt-get update \
- && apt-get install --no-install-recommends --yes build-essential git gdb valgrind \
+ && apt-get install --no-install-recommends --yes build-essential git gdb valgrind cmake \
  && rm -rf /var/lib/apt/lists/*
 
 ADD . /tini
-RUN cd /tini && make clean && make
+WORKDIR /tini
+
+RUN cmake . && make clean && make
 
 ENTRYPOINT ["/tini/tini"]

Makefile

@@ -1,34 +0,0 @@
-include config.mk
-
-OBJ = tini.o
-BIN = tini
-
-all: $(BIN) $(BIN)-static
-
-$(BIN): $(OBJ)
-	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $<
-
-$(BIN)-static: $(OBJ)
-	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -static -o $@ $<
-
-$(OBJ):
-
-install: all
-	mkdir -p $(DESTDIR)$(PREFIX)/bin
-	cp -f $(BIN) $(DESTDIR)$(PREFIX)/bin
-
-uninstall:
-	rm -f $(DESTDIR)$(PREFIX)/bin/$(BIN)
-
-dist: clean
-	mkdir -p tini-$(VERSION)
-	cp LICENSE Makefile README config.def.h config.mk tini.c tini-$(VERSION)
-	tar -cf tini-$(VERSION).tar tini-$(VERSION)
-	gzip tini-$(VERSION).tar
-	rm -rf tini-$(VERSION)
-
-clean:
-	rm -f $(BIN) $(OBJ) tini-$(VERSION).tar.gz
-
-.PHONY:
-	all install uninstall dist clean check

config.mk

@@ -1,11 +0,0 @@
-VERSION=0.3.0
-GIT_REV=$(shell git log -n 1 --date=local --pretty=format:"%h")
-
-# paths
-PREFIX=/usr/local
-
-CC = cc
-LD = $(CC)
-CPPFLAGS=-D_FORTIFY_SOURCE=2 -DTINI_VERSION="\"$(VERSION) - $(GIT_REV)\""
-CFLAGS=-std=gnu99 -Wextra -Wall -pedantic -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security
-LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-s

ddist.sh

@@ -13,7 +13,13 @@ NAME="${IMG}-dist"
 BIN="tini"
 
 docker build -t "${IMG}" .
-docker run -it --name="${NAME}" "${IMG}" true "-h"
+
+# Smoke tests
+docker run -it --rm --entrypoint="/tini/${BIN}" "${IMG}" "-h" "--" "true"
+docker run -it --rm --entrypoint="/tini/${BIN}-static" "${IMG}" "-h" "--" "true"
+
+# Copy the binaries
+docker run -it --entrypoint="/bin/true" --name="${NAME}" "${IMG}"
 docker cp "${NAME}:/tini/${BIN}" "${DIST_DIR}"
 docker cp "${NAME}:/tini/${BIN}-static" "${DIST_DIR}"
 docker rm "${NAME}"

tini.c

@@ -13,9 +13,7 @@
 #include <unistd.h>
 #include <stdbool.h>
 
-#ifndef TINI_VERSION
-#define TINI_VERSION "???"
-#endif
+#include "tiniConfig.h"
 
 #define PRINT_FATAL(...)    fprintf(stderr, "[FATAL] "); fprintf(stderr, __VA_ARGS__); fprintf(stderr, "\n");
 #define PRINT_WARNING(...)  if (verbosity > 0) { fprintf(stderr, "[WARN ] "); fprintf(stderr, __VA_ARGS__); fprintf(stderr, "\n"); }
@@ -56,7 +54,7 @@ int spawn(const sigset_t* const child_sigset_ptr, char (*argv[]), int* const chi
 
 
 void print_usage(char* const name, FILE* const file) {
-	fprintf(file, "%s (version %s)\n", basename(name), TINI_VERSION);
+	fprintf(file, "%s (version %s - %s)\n", basename(name), TINI_VERSION, TINI_GIT);
 	fprintf(file, "Usage: %s [OPTIONS] PROGRAM -- [ARGS]\n\n", basename(name));
 	fprintf(file, "Execute a program under the supervision of a valid init process (%s)\n\n", basename(name));
 	fprintf(file, "  -h: Show this help message and exit.\n");

tiniConfig.h.in

@@ -0,0 +1,2 @@
+#define TINI_VERSION "@tini_VERSION_MAJOR@.@tini_VERSION_MINOR@.@tini_VERSION_PATCH@"
+#define TINI_GIT     @tini_VERSION_GIT@