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mk scripts: add flag for compiling with nbsd libc.

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This patch changes the system mk scripts to enable compilation
of programs using the BSD make system to compile with the new
libc.

In details, it does the following:

- it always defines the __MINIX make variable. This can be used,
 in porting applications, to specialize Makefiles for Minix.

 - If the environment variable NBSD is set to something different
  than 'no' and if the compiler is not ack, set NBSD_LIBC to 'yes'.
  This will set the destination lib directory to '/usr/netbsd/lib' 
  and set up CPPFLAGS and LDFLAGS to use new libc's includes and
  library directory.
This commit is contained in:
Gianluca Guida 2011-03-03 16:41:19 +00:00
parent f4814901af
commit 6567e50a6f
5 changed files with 28 additions and 1 deletions
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2
share/mk/bsd.files.mk
View file

@ -156,6 +156,6 @@ cleanuudecodefiles: .PHONY
##### Pull in related .mk logic
.include <bsd.obj.mk>
#.include <bsd.sys.mk>
.include <bsd.sys.mk>
.endif # !defined(_MINIX_FILES_MK_)

3
share/mk/bsd.own.mk
View file

@ -541,6 +541,9 @@ OBJECT_FMT= ELF
OBJECT_FMT= a.out
.endif
.if ${COMPILER_TYPE} == "gnu"
.if defined(NBSD_LIBC) && (${NBSD_LIBC} != "no")
LIBDIR?= /usr/netbsd/lib
.endif
.if ${OBJECT_FMT} == "a.out"
LIBDIR?= /usr/lib
.elif ${OBJECT_FMT} == "ELF"

8
share/mk/bsd.prog.mk
View file

@ -28,8 +28,12 @@ cleanprog: .PHONY cleanobjs cleanextra
##### Default values
.if empty(CPPFLAGS:M-nostdinc)
.if (${NBSD_LIBC} == "yes")
CPPFLAGS+= ${DESTDIR:D-nostdinc ${CPPFLAG_ISYSTEM} ${DESTDIR}/usr/netbsd/include}
.else
CPPFLAGS+= ${DESTDIR:D-nostdinc ${CPPFLAG_ISYSTEM} ${DESTDIR}/usr/include}
.endif
.endif
.if empty(CXXFLAGS:M-nostdinc++)
CXXFLAGS+= ${DESTDIR:D-nostdinc++ ${CPPFLAG_ISYSTEMXX} ${DESTDIR}/usr/include/g++}
.endif
@ -65,8 +69,12 @@ LIB${_lib:tu}= ${DESTDIR}/usr/lib/lib${_lib}.a
.if ${COMPILER_TYPE} == "ack"
LIB${_lib:tu}= ${DESTDIR}/usr/lib/i386/lib${_lib}.a
.elif ${COMPILER_TYPE} == "gnu"
.if defined(NBSD_LIBC) && (${NBSD_LIBC} != "no")
LIB${_lib:tu}= ${DESTDIR}/usr/netbsd/lib/lib${_lib}.a
.else
LIB${_lib:tu}= ${DESTDIR}/usr/lib/lib${_lib}.a
.endif
.endif
.MADE: ${LIB${_lib:tu}} # Note: ${DESTDIR} will be expanded
.endif
.endfor

5
share/mk/bsd.sys.mk
View file

@ -61,6 +61,11 @@ HAS_SSP= no
HAS_SSP= yes
.endif
.if defined(NBSD_LIBC) && (${NBSD_LIBC} != "no")
CPPFLAGS+= -nostdinc -D__NBSD_LIBC -I /usr/netbsd/include
LDFLAGS+= -L /usr/netbsd/lib
.endif
.if defined(USE_FORT) && (${USE_FORT} != "no")
USE_SSP?= yes
.if !defined(KERNSRCDIR) && !defined(KERN) # not for kernels nor kern modules

11
share/mk/sys.mk
View file

@ -3,6 +3,9 @@
unix?= We run MINIX.
# This variable should be used to differentiate Minix builds in Makefiles.
__MINIX= yes
.SUFFIXES: .a .o .ln .s .S .c .cc .cpp .cxx .C .f .F .r .p .l .y #.sh
.LIBS: .a
@ -236,3 +239,11 @@ AR=i386-pc-minix3-ar
LD=i386-pc-minix3-ld
OBJCOPY=i386-pc-minix3-objcopy
.endif
# Set NBSD_LIBC to either "yes" or "no".
.if !defined(NBSD) || (${NBSD} == "no") \
|| (${COMPILER_TYPE} == "ack")
NBSD_LIBC= no
.else
NBSD_LIBC= yes
.endif