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#############################################################################
#
# SciTech Multi-platform Graphics Library
#
# ========================================================================
#
# The contents of this file are subject to the SciTech MGL Public
# License Version 1.0 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.scitechsoft.com/mgl-license.txt
#
# Software distributed under the License is distributed on an
# "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc.
#
# The Initial Developer of the Original Code is SciTech Software, Inc.
# All Rights Reserved.
#
# ========================================================================
#
# Descripton: Generic DMAKE startup makefile definitions file. Assumes
# that the SCITECH environment variable has been set to point
# to where all our stuff is installed. You should not need
# to change anything in this file.
#
# Linux version for GNU C/C++.
#
#############################################################################
# Include standard startup script definitions
.IMPORT: SCITECH
.INCLUDE: "$(SCITECH)/makedefs/startup.mk"
# Import enivornment variables that we use
.IMPORT .IGNORE : GCC2_LIBBASE
# Override some file suffix definitions
L := .a # Libraries
O := .o # Objects
# Override the file prefix/suffix definitions for library naming.
LP := lib # LP - Library file prefix (name of file on disk)
LL := -l # Library link prefix (name of library on link command line)
LE := # Library link suffix (extension of library on link command line)
# We are compiling for a 32 bit envionment
_32BIT_ := 1
# Define that we are compiling for Linux
USE_LINUX := 1
# Default commands for compiling, assembling linking and archiving.
CC := gcc
CFLAGS := -Wall -I. -Iinclude -I$(SCITECH:s,\,/)/include -I$(PRIVATE:s,\,/)/include
SHOW_CFLAGS := -c
CXX := g++
AS := nasm
ASFLAGS := -t -f elf -d__FLAT__ -d__GNUC__ -iinclude -i$(SCITECH)/include -d__NOU__
SHOW_ASFLAGS := -f elf
LD := gcc
LDXX := g++
LDFLAGS := -L.
LIB := ar
LIBFLAGS := rcs
YACC := bison -y
LEX := flex
SED := sed
# Optionally turn on debugging information
.IF $(DBG)
CFLAGS += -g
SHOW_CFLAGS += -g
.ELSE
# NASM does not support debugging information yet
ASFLAGS +=
.ENDIF
# Optionally turn on optimisations
.IF $(OPT_MAX)
CFLAGS += -O6
SHOW_CFLAGS += -O6
.ELIF $(OPT)
CFLAGS += -O2
SHOW_CFLAGS += -O2
.ELIF $(OPT_SIZE)
CFLAGS += -O1
SHOW_CFLAGS += -O1
.ENDIF
# Optionally turn on direct i387 FPU instructions
.IF $(FPU)
CFLAGS += -DFPU387
ASFLAGS += -dFPU387
.END
# Optionally compile a beta release version of a product
.IF $(BETA)
CFLAGS += -DBETA
SHOW_CFLAGS += -DBETA
ASFLAGS += -dBETA
SHOW_ASFLAGS += -dBETA
.ENDIF
# Disable standard C runtime library
.IF $(NO_RUNTIME)
CFLAGS += -fno-builtin -nostdinc
.ENDIF
# Compile flag for whether to build X11 or non-X11 lib
.IF $(USE_X11)
CFLAGS += -D__X11__
.ENDIF
# Target environment dependant flags
CFLAGS += -D__LINUX__
ASFLAGS += -d__LINUX__ -d__UNIX__
# Define the base directory for library files
.IF $(CHECKED)
LIB_BASE_DIR := $(SCITECH_LIB)/lib/debug
CFLAGS += -DCHECKED=1
SHOW_CFLAGS += -DCHECKED=1
.ELSE
LIB_BASE_DIR := $(SCITECH_LIB)/lib/release
.ENDIF
# Define where to install library files
.IF $(LIBC)
LIB_DEST_SHARED := $(LIB_BASE_DIR)/linux/gcc/libc.so
LIB_DEST_STATIC := $(LIB_BASE_DIR)/linux/gcc/libc
.ELSE
LIB_DEST_SHARED := $(LIB_BASE_DIR)/linux/gcc/glibc.so
LIB_DEST_STATIC := $(LIB_BASE_DIR)/linux/gcc/glibc
.ENDIF
# Link to static libraries if requested
.IF $(STATIC_LIBS_ALL)
LDFLAGS += -static
STATIC_LIBS := 1
.ENDIF
# Link to static libraries if requested
.IF $(STATIC_LIBS)
LDFLAGS += -L$(LIB_DEST_STATIC)
.ELSE
LDFLAGS += -L$(LIB_DEST_SHARED) -L$(LIB_DEST_STATIC)
.ENDIF
# Optionally enable some dynamic libraries to be built
.IF $(BUILD_DLL)
.IF $(VERSIONMAJ)
.ELSE
VERSIONMAJ := 5
VERSIONMIN := 0
.ENDIF
VERSION := $(VERSIONMAJ).$(VERSIONMIN)
LIB := gcc -shared
LIBFLAGS :=
L := .so
CFLAGS += -fPIC
SHOW_CFLAGS += -fPIC
ASFLAGS += -D__PIC__
SHOW_ASFLAGS += -D__PIC__
LIB_DEST := $(LIB_DEST_SHARED)
.ELSE
LIB_DEST := $(LIB_DEST_STATIC)
.ENDIF
# Place to look for PMODE library files
PMLIB := -lpm
# Define which file contains our rules
RULES_MAK := gcc_linux.mk
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