libpthread/Makefile

   1 # Makefile for uClibc's pthread library
   2 #
   3 # Copyright (C) 2002 Erik Andersen <andersen@uclibc.org>
   4 #
   5 # This program is free software; you can redistribute it and/or modify it under
   6 # the terms of the GNU Library General Public License as published by the Free
   7 # Software Foundation; either version 2 of the License, or (at your option) any
   8 # later version.
   9 #
  10 # This program is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  12 # FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
  13 # details.
  14 #
  15 # You should have received a copy of the GNU Library General Public License
  16 # along with this program; if not, write to the Free Software Foundation, Inc.,
  17 # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  18
  19 TOPDIR=../
  20 include $(TOPDIR)Rules.mak
  21
  22 CFLAGS+=$(SSP_ALL_CFLAGS)
  23
  24 #Adjust the soname version to avoid namespace collisions with glibc's libpthread
  25 LIBPTHREAD=libpthread.a
  26 LIBPTHREAD_SHARED=libpthread.so
  27 LIBPTHREAD_SHARED_FULLNAME=libpthread-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
  28
  29 LIBTHREAD_DB=libthread_db.a
  30 LIBTHREAD_DB_SHARED=libthread_db.so
  31 LIBTHREAD_DB_SHARED_FULLNAME=libthread_db-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
  32
  33 DIRS=
  34 ifeq ($(strip $(UCLIBC_HAS_THREADS)),y)
  35         DIRS+=linuxthreads
  36         LDFLAGS_THREAD:= $(CPU_LDFLAGS-y) -shared --warn-common --warn-once -z combreloc -z defs
  37 ifeq ($(UCLIBC_BUILD_RELRO),y)
  38         LDFLAGS_THREAD+=-z relro
  39 endif
  40 ifeq ($(UCLIBC_BUILD_NOW),y)
  41         LDFLAGS_THREAD+=-z now
  42 endif
  43 ifeq ($(strip $(PTHREADS_DEBUG_SUPPORT)),y)
  44         DIRS+=linuxthreads_db
  45         LDFLAGS_THREAD_DB:= $(CPU_LDFLAGS-y) -shared --warn-common --warn-once -z combreloc
  46 endif
  47 ifeq ($(DODEBUG),n)
  48         LDFLAGS_THREAD_DB+=-s
  49 ifeq ($(UCLIBC_BUILD_RELRO),y)
  50        LDFLAGS_THREAD_DB+=-z relro
  51 endif
  52 ifeq ($(UCLIBC_BUILD_NOW),y)
  53        LDFLAGS_THREAD_DB+=-z now
  54 endif
  55 endif
  56 endif
  57
  58 ifeq ($(strip $(UCLIBC_CTOR_DTOR)),y)
  59         SHARED_START_FILES = $(TOPDIR)lib/crti.o $(LIBGCC_DIR)crtbeginS.o
  60         SHARED_END_FILES = $(LIBGCC_DIR)crtendS.o $(TOPDIR)lib/crtn.o
  61 endif
  62
  63 ALL_SUBDIRS = linuxthreads linuxthreads_db
  64
  65 all: $(LIBPTHREAD) $(LIBTHREAD_DB)
  66
  67 $(LIBPTHREAD): subdirs
  68 ifeq ($(strip $(UCLIBC_HAS_THREADS)),y)
  69         $(INSTALL) -d $(TOPDIR)lib
  70         $(RM) $(TOPDIR)lib/$(LIBPTHREAD)
  71         $(INSTALL) -m 644 $(LIBPTHREAD) $(TOPDIR)lib
  72 endif
  73
  74 $(LIBTHREAD_DB): subdirs
  75 ifeq ($(strip $(PTHREADS_DEBUG_SUPPORT)),y)
  76         $(INSTALL) -d $(TOPDIR)lib
  77         $(RM) $(TOPDIR)lib/$(LIBTHREAD_DB)
  78         $(INSTALL) -m 644 $(LIBTHREAD_DB) $(TOPDIR)lib
  79 endif
  80
  81
  82 $(OBJS): %.o : %.c
  83         $(CC) $(CFLAGS) -c $< -o $@
  84         $(STRIPTOOL) -x -R .note -R .comment $*.o
  85
  86 $(OBJ): Makefile
  87
  88 shared: all
  89 ifeq ($(strip $(UCLIBC_HAS_THREADS)),y)
  90         $(LD) $(LDFLAGS_THREAD) -soname=$(LIBPTHREAD_SHARED).$(MAJOR_VERSION) \
  91                 -o $(LIBPTHREAD_SHARED_FULLNAME) $(SHARED_START_FILES) --whole-archive $(LIBPTHREAD) \
  92                 --no-whole-archive $(TOPDIR)libc/misc/internals/interp.o \
  93                 -L$(TOPDIR)lib -lc $(LDADD_LIBFLOAT) $(LIBGCC) \
  94                 $(SHARED_END_FILES)
  95         $(INSTALL) -d $(TOPDIR)lib
  96         $(RM) $(TOPDIR)lib/$(LIBPTHREAD_SHARED_FULLNAME) \
  97                 $(TOPDIR)lib/$(LIBPTHREAD_SHARED).$(MAJOR_VERSION)
  98         $(INSTALL) -m 644 $(LIBPTHREAD_SHARED_FULLNAME) $(TOPDIR)lib
  99         $(LN) -sf $(LIBPTHREAD_SHARED_FULLNAME) \
 100                 $(TOPDIR)lib/$(LIBPTHREAD_SHARED)
 101         $(LN) -sf $(LIBPTHREAD_SHARED_FULLNAME) \
 102                 $(TOPDIR)lib/$(LIBPTHREAD_SHARED).$(MAJOR_VERSION)
 103 endif
 104 ifeq ($(strip $(PTHREADS_DEBUG_SUPPORT)),y)
 105         $(LD) $(LDFLAGS_THREAD_DB) -soname=$(LIBTHREAD_DB_SHARED).1 \
 106                 -o $(LIBTHREAD_DB_SHARED_FULLNAME) --whole-archive $(LIBTHREAD_DB) \
 107                 --no-whole-archive $(TOPDIR)libc/misc/internals/interp.o \
 108                 -L$(TOPDIR)lib -lc $(LDADD_LIBFLOAT) $(LIBGCC)
 109         $(INSTALL) -d $(TOPDIR)lib
 110         $(RM) $(TOPDIR)lib/$(LIBTHREAD_DB_SHARED_FULLNAME) \
 111                 $(TOPDIR)lib/$(LIBTHREAD_DB_SHARED).1
 112         $(INSTALL) -m 644 $(LIBTHREAD_DB_SHARED_FULLNAME) $(TOPDIR)lib
 113         $(LN) -sf $(LIBTHREAD_DB_SHARED_FULLNAME) \
 114                 $(TOPDIR)lib/$(LIBTHREAD_DB_SHARED)
 115         $(LN) -sf $(LIBTHREAD_DB_SHARED_FULLNAME) \
 116                 $(TOPDIR)lib/$(LIBTHREAD_DB_SHARED).1
 117 endif
 118
 119 tags:
 120         ctags -R
 121
 122 subdirs: $(patsubst %, _dir_%, $(DIRS))
 123 subdirs_clean: $(patsubst %, _dirclean_%, $(ALL_SUBDIRS))
 124
 125 $(patsubst %, _dir_%, $(DIRS)) : dummy
 126         $(MAKE) -C $(patsubst _dir_%, %, $@)
 127
 128 $(patsubst %, _dirclean_%, $(ALL_SUBDIRS)) : dummy
 129         $(MAKE) -C $(patsubst _dirclean_%, %, $@) clean
 130
 131 clean: subdirs_clean
 132         $(RM) *.[oa] *~ core $(LIBPTHREAD) $(LIBPTHREAD_SHARED_FULLNAME) \
 133                 $(LIBTHREAD_DB) $(LIBTHREAD_DB_SHARED_FULLNAME)
 134
 135 .PHONY: dummy