# -*- mode: makefile -*-
#
# Makefile of ROOT for Windows with gcc compiler in Cygwin environment

PLATFORM      = linux

DEBUGFLAGS    = -g
OPTFLAGS      = -O2
ifeq (debug,$(findstring debug,$(ROOTBUILD)))
OPT           = $(DEBUGFLAGS)
NOOPT         =
else
OPT           = $(OPTFLAGS)
NOOPT         =
endif

# Compiler:
CXX           = g++
CC            = gcc
CXXFLAGS      = -pipe -Wall -Woverloaded-virtual $(EXTRA_CXXFLAGS) \
                -I/usr/X11R6/include
CFLAGS        = -pipe -Wall $(EXTRA_CFLAGS) -I/usr/X11R6/include
CINTCXXFLAGS  = -pipe -Wall -Woverloaded-virtual $(EXTRA_CXXFLAGS) \
                -DG__REGEXP -DG__UNIX -DG__SHAREDLIB \
                -DG__OSFDLL -DG__ROOT -DG__REDIRECTIO -DG__CYGWIN \
                -DG__NEWSTDHEADER
CINTCFLAGS    = -pipe -Wall $(EXTRA_CFLAGS) \
                -DG__REGEXP -DG__UNIX -DG__SHAREDLIB \
                -DG__OSFDLL -DG__ROOT -DG__REDIRECTIO -DG__CYGWIN \
                -DG__NEWSTDHEADER
COMPILER      = gnu

# Linker:
LD            = build/unix/wingcc_ld.sh
LDFLAGS       = $(OPT) -Wl,--enable-auto-import \
                -Wl,--enable-runtime-pseudo-reloc \
                -L/usr/X11R6/lib \
                $(EXTRA_LDFLAGS)
SOFLAGS       = -shared -Wl,--export-all-symbols -Wl,--enable-auto-image-base \
                -Wl,-soname=
# that's what cygwin ld looks for when searching for shared libs
SOEXT         = dll
EXEEXT        = .exe
FORCELINK     = yes

# System libraries:
SYSLIBS       = -lm $(OSTHREADLIBDIR) $(OSTHREADLIB) $(ALLOCLIBDIR) $(ALLOCLIB)
XLIBS         = $(XPMLIBDIR) $(XPMLIB) $(X11LIBDIR) -lXext -lX11
CILIBS        = -lm
CRYPTLIBS     = -lcrypt

# Fortran:
ifneq ($(findstring gfortran, $(F77)),)
ifeq ($(F77),)
# only needed to get default compiler in ./configure
F77           = gfortran
endif
F77FLAGS      = -std=legacy
F77LIBS      := $(shell $(F77) -print-file-name=libgfortran.a)
F77LIBS      += $(shell $(F77) -print-file-name=libgfortranbegin.a)
endif

ifneq ($(findstring g77, $(F77)),)
ifeq ($(F77),)
# only needed to get default compiler in ./configure
F77           = g77
endif
F77FLAGS      =
F77LIBS       = -lg2c
endif

# transform cygwin version 1.2.3-4 into integer
# each of the four version parts but the first gets two digits,
# filled up with 0 if necessary (i.e. if a version part only 
# has one digit), and removing ".", "-"
# thus, 1.2.3-4 becomes 1020304, 12.3.45-67 becomes 12034567
CYGWINVERSION = $(shell cygcheck -c cygwin | egrep '^cygwin' \
                | sed 's,^[^[:digit:]]\+\([^[:space:]]\+\).*$$,\1,' \
                | sed 's,[.-]\([[:digit:]]\)\($$\|[^[:digit:]]\),0\1,g' \
                | sed 's,[.-],,g' )
# test whether the cygwin version is newer than 1051201 (i.e. 1.5.12-1)
CYGVER1051201 = $(shell test $(CYGWINVERSION) -ge 1051201 \
                && echo $(CYGWINVERSION) )

# Extras
ifeq ($(CYGVER1051201),)
POSTBIN += rebase
endif