add configure and Makefile

recast unsigned char * to silence strlen() compiler warning

Author: liquidaty

Makefile

@@ -0,0 +1,134 @@
+# Makefile for use with GNU make
+
+THIS_MAKEFILE_DIR:=$(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
+THIS_DIR:=$(shell basename "${THIS_MAKEFILE_DIR}")
+THIS_MAKEFILE:=$(lastword $(MAKEFILE_LIST))
+
+.POSIX:
+.SUFFIXES:
+.SUFFIXES: .o .c .a
+
+CONFIGFILE ?= config.mk
+$(info Using config file ${CONFIGFILE})
+include ${CONFIGFILE}
+
+CC ?= cc
+AWK ?= awk
+AR ?= ar
+RANLIB ?= ranlib
+SED ?= sed
+
+WIN=
+DEBUG=0
+ifeq ($(WIN),)
+  WIN=0
+  ifneq ($(findstring w64,$(CC)),) # e.g. mingw64
+    WIN=1
+  endif
+endif
+
+CFLAGS+=${CFLAG_O} ${CFLAGS_OPT}
+CFLAGS+=${CFLAGS_AUTO}
+CFLAGS+=-I.
+
+ifeq ($(VERBOSE),1)
+  CFLAGS+= ${CFLAGS_VECTORIZE_OPTIMIZED} ${CFLAGS_VECTORIZE_MISSED} ${CFLAGS_VECTORIZE_ALL}
+endif
+
+VERSION= $(shell (git describe --always --dirty --tags 2>/dev/null || echo "v0.0.0-jsonwriter") | sed 's/^v//')
+
+ifneq ($(findstring emcc,$(CC)),) # emcc
+  NO_THREADING=1
+endif
+
+ifeq ($(NO_THREADING),1)
+  CFLAGS+= -DNO_THREADING
+endif
+
+ifeq ($(DEBUG),0)
+  CFLAGS+= -DNDEBUG -O3  ${CFLAGS_LTO}
+else
+  CFLAGS += ${CFLAGS_DEBUG}
+endif
+
+ifeq ($(DEBUG),1)
+  DBG_SUBDIR+=dbg
+else
+  DBG_SUBDIR+=rel
+endif
+
+ifeq ($(WIN),0)
+  BUILD_SUBDIR=$(shell uname)/${DBG_SUBDIR}
+  WHICH=which
+  EXE=
+  CFLAGS+= -fPIC
+else
+  BUILD_SUBDIR=win/${DBG_SUBDIR}
+  WHICH=where
+  EXE=.exe
+  CFLAGS+= -fpie
+  CFLAGS+= -D__USE_MINGW_ANSI_STDIO -D_ISOC99_SOURCE -Wl,--strip-all
+endif
+
+CFLAGS+= -std=gnu11 -Wno-gnu-statement-expression -Wshadow -Wall -Wextra -Wno-missing-braces -pedantic -D_GNU_SOURCE
+
+CFLAGS+= ${JSONWRITER_OPTIONAL_CFLAGS}
+
+CCBN=$(shell basename ${CC})
+THIS_LIB_BASE=$(shell cd .. && pwd)
+INCLUDE_DIR=${THIS_LIB_BASE}/include
+BUILD_DIR=${THIS_LIB_BASE}/build/${BUILD_SUBDIR}/${CCBN}
+
+NO_UTF8_CHECK=1
+
+LIB_SUFFIX?=
+JSONWRITER_OBJ=${BUILD_DIR}/objs/jsonwriter.o
+LIBJSONWRITER_A=libjsonwriter${LIB_SUFFIX}.a
+LIBJSONWRITER=${BUILD_DIR}/lib/${LIBJSONWRITER_A}
+LIBJSONWRITER_INSTALL=${LIBDIR}/${LIBJSONWRITER_A}
+
+JSONWRITER_OBJ_OPTS=
+ifeq ($(NO_UTF8_CHECK),1)
+  JSONWRITER_OBJ_OPTS+= -DNO_UTF8_CHECK
+endif
+
+help:
+	@echo "Make options:"
+	@echo "  `basename ${MAKE}` build|install|uninstall|clean"
+	@echo
+	@echo "Optional make variables:"
+	@echo "  [CONFIGFILE=config.mk] [NO_UTF8_CHECK=1] [VERBOSE=1] [LIBDIR=${LIBDIR}] [INCLUDEDIR=${INCLUDEDIR}] [LIB_SUFFIX=]"
+	@echo
+
+build: ${LIBJSONWRITER}
+
+${LIBJSONWRITER}: ${JSONWRITER_OBJ}
+	@mkdir -p `dirname "$@"`
+	@rm -f $@
+	$(AR) rcv $@ $?
+	$(RANLIB) $@
+	$(AR) -t $@ # check it is there
+	@echo Built $@
+
+install: ${LIBJSONWRITER_INSTALL}
+	@mkdir -p  $(INCLUDEDIR)
+	@cp -pR *.h $(INCLUDEDIR)
+	@echo "include files copied to $(INCLUDEDIR)"
+
+${LIBJSONWRITER_INSTALL}: ${LIBJSONWRITER}
+	@mkdir -p `dirname "$@"`
+	@cp -p ${LIBJSONWRITER} "$@"
+	@echo "libjsonwriter installed to $@"
+
+uninstall:
+	@rm -rf ${INCLUDEDIR}/jsonwriter*
+	 rm  -f ${LIBDIR}/libjsonwriter*
+
+clean:
+	rm -rf ${BUILD_DIR}/objs ${LIBJSONWRITER}
+
+.PHONY: build install uninstall clean  ${LIBJSONWRITER_INSTALL}
+
+${BUILD_DIR}/objs/jsonwriter.o: jsonwriter.c jsonwriter.h
+	@mkdir -p `dirname "$@"`
+	${CC} ${CFLAGS} -DJSONWRITER_VERSION=\"${VERSION}\" -I${INCLUDE_DIR} ${JSONWRITER_OBJ_OPTS} -o $@ -c $<