source: trunk/makefile_pre.mk@ 1427

# makefile_pre.mk - common makefile prefix settings for all makefiles
# $Id: makefile_pre.mk 1282 2008-11-18 21:41:31Z jbs $

# 01 Sep 06 SHL Adjust .res case
# 02 Jun 07 SHL Convert to OpenWatcom
# 27 Jun 07 SHL Use same CFLAGS for all builds
# 27 Jun 07 SHL Allow DEBUG set from command line or environment
# 03 Jul 07 SHL Change DEBUG semantics to ifdef/ifndef
# 04 Jul 07 SHL Pass DEBUG settings to sub-make
# 22 Sep 07 SHL Switch to 4 byte packing (-zp4)
# 26 Sep 07 SHL Support USE_WRC from environment
# 03 Jan 08 SHL Switch to wrc.exe default; support USE_RC from environment
# 23 Jan 08 JBS Add support for building SYM files (Ticket 226)
# 27 May 08 SHL Add WARNALL and FORTIFY support
# 22 Jul 08 SHL Pass FORTIFY to subordinate makefiles
# 06 Oct 08 SHL Pass DEBUG in CFLAGS; clean up USE_RC usage
# 18 Nov 08 JBS Ticket 297: Various build improvements/corrections

# Environment: see dll\makefile

# DEBUG - not defined = release build, defined = debug build
# WARNALL - add more warnings if defined
# FORTIFY - build with FORTIFYed memory
# USE_RC - build with rc.exe if defined, other build with wrc.exe

CC = wcc386
LINK = wlink

!ifndef USE_RC                  # if not defined on command line
!ifdef %USE_RC                  # if defined in environment
USE_RC = $(%USE_RC)
!endif
!endif

!ifdef USE_RC
RC = rc -n
!else
RC = wrc -q
!endif

# Keep this code in sync with dll\makefile
!ifdef DEBUG                    # if defined on wmake command line
DEBUG_OPT = DEBUG=$(DEBUG)      # set in case needed by sub-make
!else
!ifdef %DEBUG                   # if defined in environment
DEBUG = $(%DEBUG)               # use value from environment
DEBUG_OPT = DEBUG=$(DEBUG)      # set in case needed by sub-make
!endif
!endif

!ifdef %WARNALL                 # if defined in environment
WARNALL = $(%WARNALL)           # use value from environment
!endif

!ifdef FORTIFY                          # if defined on wmake command line
FORTIFY_OPT = FORTIFY=$(FORTIFY)        # set in case needed by sub-make
!else
!ifdef %FORTIFY                         # if defined in environment
FORTIFY = $(%FORTIFY)                   # use value from environment
FORTIFY_OPT = FORTIFY=$(FORTIFY)        # set in case needed by sub-make
!endif
!endif

SYMS = $(BASE).sym              #set a target for building SYM files

# Some flags are order dependent - see OpenWatcom docs
# -bc           console app
# -bd           build target is a Dynamic Link Library (DLL) (see bd)
# -bg           gui app with WinMain entry point
# -bm           multithread libs
# -bt=os2       target
# -d2           full debug
# -d3           full debug w/unref
# -hd           dwarf
# -j            signed char
# -mf           flat
# -olinars      optimze loops, inline, e(n)able fp recip, relax (a)lias, reordering, space
# -s            disable stack checks
# -sg           generate calls to grow the stack
# -st           touch stack through SS first
# -we           treat warnings as errors
# -wx           max warnings
# -zfp          disable fs use
# -zgp          disable gs use
# -zp4          align 4
# -zq           quiet

# -wx excludes these
# See GenCOptions() in openwatcom\bld\cc\c\coptions.c
# -wce130       possible loss of precision
# -wcd=303      no reference to formal parameter
# -wcd=307      obsolete non-prototype declarator
# -wcd=308      unprototyped function called
# -wcd=309      unprototyped function called indirectly

# We always compile with debug info to avoid needing a full rebuild just to debug
CFLAGS = -bt=os2 -mf -bm -d2 -olirs   -s -j -wx -zfp -zgp -zp4 -zq -hd

!ifdef WARNALL
CFLAGS += -wce=118 -wce=130 -wce=303 -wce=307 -wce=308 -wce=309
!else
CFLAGS += -we
!endif

!ifdef FORTIFY
CFLAGS += -dFORTIFY
!endif

LFLAGS = sys os2v2_pm op quiet op verbose op cache op caseexact op map
!ifdef DEBUG
CFLAGS += -d$DEBUG_OPT
LFLAGS += debug dwarf all
!endif

# rc Includes can be in current director or dll subdirectory
!ifdef USE_RC
RCFLAGS = -r -i dll
RCFLAGS2 = -x2
!else
# Pass 1 flags
RCFLAGS = -r -i=dll -ad
# Pass 2 flags
RCFLAGS2 =-ad
!endif

.SUFFIXES:
.SUFFIXES: .obj .c .res .rc .ipf .sym .map

!ifdef USE_RC
.rc.res:
   @echo.
   @echo Compiling resource: $*.rc
   @echo.
   $(RC) $(RCFLAGS) $*.rc
   ren $*.res $*.res
!else
.rc.res: .AUTODEPEND
   @echo.
   @echo Compiling resource: $*.rc
   @echo.
  $(RC) $(RCFLAGS) $*.rc
!endif

.c.obj: .AUTODEPEND
  $(CC) $(CFLAGS) $*.c

# The end