ifndef INCPATH
INCPATH=../
endif

CFLAGS=
LEX=flex
MFLAGS=

ifeq (${HOOKS_NEW},1)
HOOK_ENGINE=new
else
HOOK_ENGINE=old
endif

# if USE_VALGRIND == 1
ifeq (${USE_VALGRIND},1)
  CFLAGS+=-DUSE_VALGRIND
  SSTRING_ENGINE=valgrind

## if SSTRING_NEW == 1
ifeq (${SSTRING_NEW},1)
    IMPOSSIBLE="USE_VALGRIND and SSTRING_NEW"
endif # SSTRING_NEW == 1

## if SSTRING_MMAP == 1
ifeq (${SSTRING_MMAP},1)
    IMPOSSIBLE="USE_VALGRIND and SSTRING_MMAP"
endif ## SSTRING_MMAP == 1
else # USE_VALGRIND == 1

## if SSTRING_NEW == 1
ifeq (${SSTRING_NEW},1)
    SSTRING_ENGINE=new
else ## SSTRING_NEW == 1
    SSTRING_ENGINE=old

### if SSTRING_MMAP == 1
ifeq (${SSTRING_MMAP},1)
      IMPOSSIBLE="SSTRING_MMAP without SSTRING_NEW"
endif ### SSTRING_MMAP == 1
endif ## SSTRING_NEW == 1
endif # USE_VALGRIND == 1

ifdef IMPOSSIBLE
$(error impossible combination of settings: ${IMPOSSIBLE})
endif

ifndef BUILDID
BUILDID = $(shell (hg id || echo "unknown") | sed -e "s/[()]//g;s/+ /+/g;s/ /-/g" )
endif
MFLAGS+=BUILDID=$(BUILDID)

.SUFFIXES: .so .y .l

.o.so:
	$(CC) -nostartfiles -shared -o $@ $^ $(LDFLAGS)

.y.c:	;

.l.c:	;

default: all

CFLAGS+=-I./ -DBUILDID=$(BUILDID) -fPIC
CFLAGS+=-Wall -g -finline-functions -funroll-loops -Werror=format-security

ifndef CLANG
ifndef NOC99
CFLAGS+=-std=c99
endif
CFLAGS+=-export-dynamic
endif