Add support for release builds with debug info and using lib externally

Makefile

@@ -1,31 +1,41 @@
-CC           = clang
+# External variables
-CXX          = clang++
+CC             ?= clang
-AR           = ar
+CXX            ?= clang++
-BUILD_TYPE   = debug
+AR             ?= ar
-CSTD         = -std=gnu11
+BUILD_TYPE     ?= Debug
-CXXSTD       = -std=gnu++11
+BUILD_DIR      ?= libwapp-build/$(PLATFORM)-$(BUILD_TYPE)
-CFLAGS       = -Wall -Wextra -Werror -pedantic -Isrc
+INSTALL_PREFIX ?= dist
-LIBFLAGS     = -fPIC
-KERNEL       = $(shell uname -s)
-MACHINE      = $(shell uname -m)
-PLATFORM     = $(KERNEL)_$(MACHINE)
-TEST_INCLUDE = -Isrc $(shell find tests -type d | xargs -I{} echo -n "-I{} ")
-TEST_SRC     = $(shell find tests -type f -name "*.c" | xargs -I{} echo -n "{} ")
-TEST_C_SRC   = src/wapp.c $(TEST_SRC)
-TEST_CXX_SRC = $(shell find tests -type f -name "*.cc" | xargs -I{} echo -n "{} ")
-BUILD_DIR    = libwapp-build/$(PLATFORM)-$(BUILD_TYPE)
-LIB_NAME     = wapp
-OBJ_OUT      = $(BUILD_DIR)/$(LIB_NAME).o
-LIB_OUT      = $(BUILD_DIR)/lib$(LIB_NAME).a
-TEST_C_OUT   = $(BUILD_DIR)/wapptest
-TEST_CXX_OUT = $(BUILD_DIR)/wapptestcc
 
-ifeq ($(BUILD_TYPE),debug)
+# Internal variables
+override CFLAGS              = -Wall -Wextra -Werror -pedantic -Isrc
+override LIBFLAGS            = -fPIC
+override ABS_INSTALL_PREFIX != readlink -f $(INSTALL_PREFIX)
+override CSTD               := -std=gnu11
+override CXXSTD             := -std=gnu++11
+override KERNEL             := $(shell uname -s)
+override MACHINE            := $(shell uname -m)
+override PLATFORM           := $(KERNEL)_$(MACHINE)
+override TEST_INCLUDE       := -Isrc $(shell find tests -type d | xargs -I{} echo -n "-I{} ")
+override TEST_SRC           := $(shell find tests -type f -name "*.c" | xargs -I{} echo -n "{} ")
+override TEST_C_SRC         := src/wapp.c $(TEST_SRC)
+override TEST_CXX_SRC       := $(shell find tests -type f -name "*.cc" | xargs -I{} echo -n "{} ")
+override LIB_NAME           := wapp
+override OBJ_OUT            := $(BUILD_DIR)/$(LIB_NAME).o
+override LIB_OUT            := $(BUILD_DIR)/lib$(LIB_NAME).a
+override TEST_C_OUT         := $(BUILD_DIR)/wapptest
+override TEST_CXX_OUT       := $(BUILD_DIR)/wapptestcc
+override INCLUDE_INSTALL    := $(ABS_INSTALL_PREFIX)/include/$(LIB_NAME)
+override LIB_INSTALL        := $(ABS_INSTALL_PREFIX)/lib
+override HEADER_INSTALL_CMD := scripts/header_install.sh
+
+ifeq ($(BUILD_TYPE),Debug)
 	CFLAGS += -g -fsanitize=address,undefined -DWAPP_DEBUG_ASSERT
-else ifeq ($(BUILD_TYPE),release)
+else ifeq ($(BUILD_TYPE),RelWithDebInfo)
+	CFLAGS += -g -O2 -fsanitize=address,undefined -DWAPP_DEBUG_ASSERT
+else ifeq ($(BUILD_TYPE),Release)
 	CFLAGS += -O3
 else
-	$(error Invalid BUILD type '$(BUILD_TYPE)'. Use 'debug' or 'release')
+	$(error Invalid BUILD type '$(BUILD_TYPE)'. Use 'Debug', 'RelWithDebInfo' or 'Release')
 endif
 
 ifeq ($(CC),gcc)
@@ -33,13 +43,56 @@ ifeq ($(CC),gcc)
   export ASAN_OPTIONS=verify_asan_link_order=0
 endif
 
-.PHONY: all clean builddir build-test run-test codegen build-lib full prng testing uuid core primitives
+.PHONY: help full prng testing uuid core primitives all clean builddir build-test run-test codegen install build-lib
 
-all: clean builddir codegen run-c-test full run-cc-test
+help:
+	@echo "Available build variables:"
+	@echo "  CC                C compiler to use (Default: clang)."
+	@echo "  CXX               C++ compiler to use (Default: clang++)."
+	@echo "  AR                Archiving utility to use for building static libraries (Default: ar)."
+	@echo "  BUILD_TYPE        Build type. Choose from \`Debug\`, \`RelWithDebInfo\` or \`Release\` (Default: Debug)."
+	@echo "  BUILD_DIR         Directory where build files will be written."
+	@echo "  INSTALL_PREFIX    Prefix where library and include files will be installed."
+	@echo
+	@echo "Available targets:"
+	@echo "  make full         Build and install the full wapp library."
+	@echo "  make core         Build and install only the \`core\` component of the wapp library with all its dependencies."
+	@echo "  make prng         Build and install only the \`prng\` component of the wapp library with all its dependencies."
+	@echo "  make uuid         Build and install only the \`uuid\` component of the wapp library with all its dependencies."
+	@echo "  make testing      Build and install only the \`testing\` component of the wapp library with all its dependencies."
+	@echo "  make primitives   Build and install only the \`primitives\` component of the wapp library with all its dependencies."
+	@echo "  make clean        Clean build directory."
+	@echo "  make help         Print this help message and exit."
+
+full: LIB_SRC = src/wapp.c
+full: INCLUDES = common core primitives prng testing uuid
+full: install
+
+prng: LIB_SRC = src/prng/wapp_prng.c
+prng: INCLUDES = common prng
+prng: install
+
+testing: LIB_SRC = src/testing/wapp_testing.c
+testing: INCLUDES = common core testing
+testing: install
+
+uuid: LIB_SRC = src/uuid/wapp_uuid.c
+uuid: INCLUDES = common primitives prng
+uuid: install
+
+core: LIB_SRC = src/core/wapp_core.c
+core: INCLUDES = common core primitives
+core: install
+
+primitives: LIB_SRC = src/core/wapp_primitives.c
+primitives: INCLUDES = common primitives
+primitives: install
 
 clean:
 	@rm -rf $(BUILD_DIR)
 
+all: clean builddir codegen run-c-test full run-cc-test
+
 builddir:
 	@mkdir -p $(BUILD_DIR)
 
@@ -62,25 +115,13 @@ run-cc-test: build-cc-test
 codegen:
 	python3 -m codegen
 
-build-lib:
+install: build-lib
+	@mkdir -p $(LIB_INSTALL)
+	@cp -v $(LIB_OUT) $(LIB_INSTALL)
+	@mkdir -p $(INCLUDE_INSTALL)
+	@bash $(HEADER_INSTALL_CMD) $(LIB_SRC) $(INCLUDE_INSTALL) $(INCLUDES)
+
+build-lib: builddir
 	$(CC) -c $(CSTD) $(CFLAGS) $(LIBFLAGS) $(LIB_SRC) -o $(OBJ_OUT)
 	$(AR) r $(LIB_OUT) $(OBJ_OUT)
 	@rm $(OBJ_OUT)
-
-full: LIB_SRC = src/wapp.c
-full: build-lib
-
-prng: LIB_SRC = src/prng/wapp_prng.c
-prng: build-lib
-
-testing: LIB_SRC = src/testing/wapp_testing.c
-testing: build-lib
-
-uuid: LIB_SRC = src/uuid/wapp_uuid.c
-uuid: build-lib
-
-core: LIB_SRC = src/core/wapp_core.c
-core: build-lib
-
-primitives: LIB_SRC = src/core/wapp_primitives.c
-primitives: build-lib

build

@@ -1,14 +1,36 @@
 #!/bin/bash
 
-BUILD_TYPE="debug"
+# Colors
+RED="\033[0;31m"
+BOLD="\033[1m"
+NC="\033[0m" # No Color
+
+BUILD_TYPE="Debug"
+ACCEPTED_BUILD_TYPES=("RelWithDebInfo" "Debug" "Release")
 KERNEL="$(uname -s)"
 ARGS=""
 
+join_array_elements() {
+  local IFS=","
+  echo "$*"
+}
+
+print_usage() {
+  echo -e "Usage: build [-b build_type] ..."
+  echo -e "  Options:"
+  echo -e "    -b, --build-type    Choose from $(join_array_elements ${ACCEPTED_BUILD_TYPES[*]}) (Default: Debug)."
+  echo -e "    -h, --help          Print this message and exit"
+}
+
 while [[ $# > 0 ]];do
   case $1 in
-    --release)
+    -b|--build-type)
-      BUILD_TYPE="release"
+      BUILD_TYPE="$2"
-      shift
+      shift 2
+      ;;
+    -h|--help)
+      print_usage
+      exit 0
       ;;
     *|-*|--*)
       rest=("$@")
@@ -18,6 +40,15 @@ while [[ $# > 0 ]];do
   esac
 done
 
+# Compare build type against array
+# From this: https://www.baeldung.com/linux/check-bash-array-contains-value#using-anifcondition-with-aregex-pattern
+build_regex="\<${BUILD_TYPE}\>"
+if [[ ! ${ACCEPTED_BUILD_TYPES[@]} =~ $build_regex ]]; then
+  echo -e "${RED}${BOLD}Unknown build type: ${BUILD_TYPE}${NC}\n"
+  print_usage
+  exit 1
+fi
+
 if [[ $KERNEL == "Darwin" ]]; then
   if [[ ! -d .venv ]]; then
     python3 -m venv .venv

scripts/header_install.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+SCRIPT_DIR="$(dirname $0)"
+LIB_SRC="$1"
+INSTALL_PREFIX="$2"
+shift 2
+INCLUDES="$@"
+
+mkdir -p "$INSTALL_PREFIX"
+
+BASE_INCLUDE_DIR="$(dirname "$LIB_SRC")"
+find $BASE_INCLUDE_DIR -maxdepth 1 -type f -name "*.h" -exec cp -v {} "$INSTALL_PREFIX" \;
+
+cd "$SCRIPT_DIR/../src"
+for INCLUDE in $INCLUDES; do
+  for f in $(find "$INCLUDE" -type f -name "*.h"); do
+    DST="$INSTALL_PREFIX/$(dirname $f)"
+    mkdir -p "$DST"
+    cp -v "$f" "$DST"
+  done
+done