@@ -1,12 +1,18 @@

 ## Project specific variables

 PROG = sockchat

+CSTD = c99

 ## Custom variable defaults

 BUILD ?= debug

 ## Built-in variable defaults

-CFLAGS += -std=c99

-CFLAGS += -Wall -Wextra -Werror -pedantic

+WFLAGS += -Werror

+WFLAGS += -Wpedantic -Wall -Wextra

+WFLAGS += -Wconversion -Wno-sign-conversion

+WFLAGS += -Wshadow

+WFLAGS += -Wimplicit-fallthrough

+WFLAGS += -Wvla

+CFLAGS += $(WFLAGS) -std=$(CSTD)

 ## Standard variable defaults

 PREFIX ?= /usr/local

@@ -17,6 +23,7 @@ INSTALL_PROGRAM ?= $(INSTALL)

 ## Build type

 ifeq ($(BUILD),debug)

     CFLAGS += -g

+    CFLAGS += -fsanitize=signed-integer-overflow

 else ifeq ($(BUILD),release)

     CFLAGS += -DNDEBUG -O3

     LDFLAGS += -s

@@ -5,6 +5,7 @@ PROG = sockchat

 BUILD ?= debug

 ## Built-in variable defaults

+CFLAGS += -std=c99

 CFLAGS += -Wall -Wextra -Werror -pedantic

 ## Standard variable defaults

new file mode 100644

@@ -0,0 +1,38 @@

+## Project specific variables

+PROG = sockchat

+

+## Custom variable defaults

+BUILD ?= debug

+

+## Built-in variable defaults

+CFLAGS += -Wall -Wextra -Werror -pedantic

+

+## Standard variable defaults

+PREFIX ?= /usr/local

+DESTDIR ?=

+INSTALL ?= install

+INSTALL_PROGRAM ?= $(INSTALL)

+

+## Build type

+ifeq ($(BUILD),debug)

+    CFLAGS += -g

+else ifeq ($(BUILD),release)

+    CFLAGS += -DNDEBUG -O3

+    LDFLAGS += -s

+endif

+

+## Standard targets

+

+.PHONY: all

+all: $(PROG)

+

+.PHONY: install

+install: all

+	$(INSTALL_PROGRAM) -D -t $(DESTDIR)$(PREFIX)/bin $(PROG)

+

+.PHONY: clean

+clean:

+

+.PHONY: distclean

+distclean: clean

+	$(RM) $(PROG)