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[Xen-changelog] [xen-unstable] stubdom: fix parallel build by expanding CROSS_MAKE

  • To: xen-changelog@xxxxxxxxxxxxxxxxxxx
  • From: Xen patchbot-unstable <patchbot@xxxxxxx>
  • Date: Wed, 10 Oct 2012 22:11:11 +0000
  • Delivery-date: Wed, 10 Oct 2012 22:11:19 +0000
  • List-id: "Change log for Mercurial \(receive only\)" <xen-changelog.lists.xen.org>
# HG changeset patch
# User Olaf Hering <olaf@xxxxxxxxx>
# Date 1349695114 -3600
# Node ID b6fb4e63b946286fb5fcd1fd618d1a2e319ddeb7
# Parent  cff10030c6ea920a20af07d674bed62ed644dc74
stubdom: fix parallel build by expanding CROSS_MAKE

Recently I changed my rpm xen.spec file from doing
'make -C tools -j N && make stubdom' to 'make -j N stubdom' because
stubdom depends on tools, so both get built.
The result was the failure below.

....
mkdir -p grub-x86_64
CPPFLAGS="-isystem 
/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/../extras/mini-os/include
 -D__MINIOS__ -DHAVE_LIBC -isystem 
/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/../extras/mini-os/include/posix
 -isystem 
/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/../tools/xenstore  
-isystem 
/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/../extras/mini-os/include/x86
 -isystem 
/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/../extras/mini-os/include/x86/x86_64
 -U __linux__ -U __FreeBSD__ -U __sun__ -nostdinc -isystem 
/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/../extras/mini-os/include/posix
 -isystem 
/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/cross-root-x86_64/x86_64-xen-elf/include
 -isystem /usr/lib64/gcc/x86_64-suse-linux/4.7/include -isystem 
/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/lwip-x86_64/src/include
 -isystem 
/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/lwip-x86_64/src/include/ipv4
 -I/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/include 
-I/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/../xen/include" 
CFLAGS="-mno-red-zone -O1 -fno-omit-frame-pointer  -m64 -mno-red-zone 
-fno-reorder-blocks -fno-asynchronous-unwind-tables -m64 -g 
-fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes 
-Wdeclaration-after-statement -Wno-unused-but-set-variable   
-fno-stack-protector -fno-exceptions" make DESTDIR= -C grub 
OBJ_DIR=/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/grub-x86_64
make[2]: Entering directory 
`/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/grub'
make[2]: warning: jobserver unavailable: using -j1.  Add `+' to parent make 
rule.
make[2]: *** INTERNAL: readdir: Bad file descriptor
.  Stop.
make[2]: Makefile: Field 'stem' not cached: Makefile

make[2]: Leaving directory 
`/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/grub'
make[1]: *** [grub] Error 2
[ -d mini-os-x86_64-xenstore ] || \
for i in $(cd 
/home/abuild/rpmbuild/BUILD/xen-4.2.25602/non-dbg/stubdom/../extras/mini-os ; 
find . -type d) ; do \
                mkdir -p mini-os-x86_64-xenstore/$i ; \
done
....

Expanding every occurrence of CROSS_MAKE avoids this error. It also has
the nice side effect of actually enabling parallel build for stubdom.
According to the GNU make documentation $(MAKE) gets its special meaning
only if it appears directly in the recipe:

http://www.gnu.org/software/make/manual/html_node/MAKE-Variable.html

Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Committed-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---


diff -r cff10030c6ea -r b6fb4e63b946 stubdom/Makefile
--- a/stubdom/Makefile  Mon Oct 08 12:18:33 2012 +0100
+++ b/stubdom/Makefile  Mon Oct 08 12:18:34 2012 +0100
@@ -76,8 +76,6 @@ TARGET_LDFLAGS += -nostdlib -L$(CROSS_PR
 
 TARGETS=ioemu c caml grub xenstore
 
-CROSS_MAKE := $(MAKE) DESTDIR=
-
 .PHONY: all
 all: build
 ifeq ($(STUBDOM_SUPPORTED),1)
@@ -113,8 +111,8 @@ cross-newlib: $(NEWLIB_STAMPFILE)
        mkdir -p newlib-$(XEN_TARGET_ARCH)
        ( cd newlib-$(XEN_TARGET_ARCH) && \
          CC_FOR_TARGET="$(CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) 
$(NEWLIB_CFLAGS)" AR_FOR_TARGET=$(AR) LD_FOR_TARGET=$(LD) 
RANLIB_FOR_TARGET=$(RANLIB) ../newlib-$(NEWLIB_VERSION)/configure 
--prefix=$(CROSS_PREFIX) --verbose --target=$(GNU_TARGET_ARCH)-xen-elf 
--enable-newlib-io-long-long --disable-multilib && \
-         $(CROSS_MAKE) && \
-         $(CROSS_MAKE) install )
+         $(MAKE) DESTDIR= && \
+         $(MAKE) DESTDIR= install )
 
 ############
 # Cross-zlib
@@ -133,8 +131,8 @@ cross-zlib: $(ZLIB_STAMPFILE)
 $(ZLIB_STAMPFILE): zlib-$(XEN_TARGET_ARCH) $(NEWLIB_STAMPFILE)
        ( cd $< && \
          CFLAGS="$(TARGET_CPPFLAGS) $(TARGET_CFLAGS)" CC=$(CC) ./configure 
--prefix=$(CROSS_PREFIX)/$(GNU_TARGET_ARCH)-xen-elf && \
-         $(CROSS_MAKE) libz.a && \
-         $(CROSS_MAKE) install )
+         $(MAKE) DESTDIR= libz.a && \
+         $(MAKE) DESTDIR= install )
 
 ##############
 # Cross-libpci
@@ -158,7 +156,7 @@ cross-libpci: $(LIBPCI_STAMPFILE)
          chmod u+w lib/config.h && \
          echo '#define PCILIB_VERSION "$(LIBPCI_VERSION)"' >> lib/config.h && \
          ln -sf ../../libpci.config.mak lib/config.mk && \
-         $(CROSS_MAKE) CC="$(CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) -I$(call 
realpath,$(MINI_OS)/include)" lib/libpci.a && \
+         $(MAKE) DESTDIR= CC="$(CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) 
-I$(call realpath,$(MINI_OS)/include)" lib/libpci.a && \
          $(INSTALL_DATA) lib/libpci.a 
$(CROSS_PREFIX)/$(GNU_TARGET_ARCH)-xen-elf/lib/ && \
          $(INSTALL_DIR) $(CROSS_PREFIX)/$(GNU_TARGET_ARCH)-xen-elf/include/pci 
&& \
          $(INSTALL_DATA) lib/config.h lib/header.h lib/pci.h lib/types.h 
$(CROSS_PREFIX)/$(GNU_TARGET_ARCH)-xen-elf/include/pci/ \
@@ -203,8 +201,8 @@ cross-ocaml: $(OCAML_STAMPFILE)
                -no-pthread -no-shared-libs -no-tk -no-curses \
                -cc "$(CC) -U_FORTIFY_SOURCE -fno-stack-protector -mno-red-zone"
        $(foreach i,$(MINIOS_HASNOT),sed -i 's,^\(#define HAS_$(i)\),//\1,' 
ocaml-$(XEN_TARGET_ARCH)/config/s.h ; )
-       $(CROSS_MAKE) -C ocaml-$(XEN_TARGET_ARCH) world
-       $(CROSS_MAKE) -C ocaml-$(XEN_TARGET_ARCH) opt
+       $(MAKE) DESTDIR= -C ocaml-$(XEN_TARGET_ARCH) world
+       $(MAKE) DESTDIR= -C ocaml-$(XEN_TARGET_ARCH) opt
        $(MAKE) -C ocaml-$(XEN_TARGET_ARCH) install
        touch $@
 
@@ -219,7 +217,7 @@ QEMU_ROOT := $(shell if [ -d "$(CONFIG_Q
 
 ifeq ($(QEMU_ROOT),.)
 $(XEN_ROOT)/tools/qemu-xen-traditional-dir:
-       $(CROSS_MAKE) -C $(XEN_ROOT)/tools qemu-xen-traditional-dir-find
+       $(MAKE) DESTDIR= -C $(XEN_ROOT)/tools qemu-xen-traditional-dir-find
 
 ioemu/linkfarm.stamp: $(XEN_ROOT)/tools/qemu-xen-traditional-dir
        mkdir -p ioemu
@@ -250,7 +248,7 @@ mk-headers-$(XEN_TARGET_ARCH): ioemu/lin
           ( [ -h include/xen/libelf ] || ln -sf 
$(XEN_ROOT)/tools/include/xen/libelf include/xen/libelf ) && \
          mkdir -p include/xen-foreign && \
          ln -sf $(wildcard $(XEN_ROOT)/tools/include/xen-foreign/*) 
include/xen-foreign/ && \
-         $(CROSS_MAKE) -C include/xen-foreign/ && \
+         $(MAKE) DESTDIR= -C include/xen-foreign/ && \
          ( [ -h include/xen/foreign ] || ln -sf ../xen-foreign 
include/xen/foreign )
        mkdir -p libxc-$(XEN_TARGET_ARCH)
        [ -h libxc-$(XEN_TARGET_ARCH)/Makefile ] || ( cd 
libxc-$(XEN_TARGET_ARCH) && \
@@ -267,7 +265,7 @@ mk-headers-$(XEN_TARGET_ARCH): ioemu/lin
          ln -sf $(XEN_ROOT)/tools/xenstore/*.c . && \
          ln -sf $(XEN_ROOT)/tools/xenstore/*.h . && \
          ln -sf $(XEN_ROOT)/tools/xenstore/Makefile . )
-       $(CROSS_MAKE) -C $(MINI_OS) links
+       $(MAKE) DESTDIR= -C $(MINI_OS) links
        touch mk-headers-$(XEN_TARGET_ARCH)
 
 TARGETS_MINIOS=$(addprefix mini-os-$(XEN_TARGET_ARCH)-,$(TARGETS))
@@ -284,7 +282,7 @@ TARGETS_MINIOS=$(addprefix mini-os-$(XEN
 .PHONY: libxc
 libxc: libxc-$(XEN_TARGET_ARCH)/libxenctrl.a 
libxc-$(XEN_TARGET_ARCH)/libxenguest.a
 libxc-$(XEN_TARGET_ARCH)/libxenctrl.a: cross-zlib
-       CPPFLAGS="$(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" $(CROSS_MAKE) 
-C libxc-$(XEN_TARGET_ARCH)
+       CPPFLAGS="$(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" $(MAKE) 
DESTDIR= -C libxc-$(XEN_TARGET_ARCH)
 
  libxc-$(XEN_TARGET_ARCH)/libxenguest.a: libxc-$(XEN_TARGET_ARCH)/libxenctrl.a
 
@@ -302,7 +300,7 @@ ioemu: cross-zlib cross-libpci libxc
            TARGET_CFLAGS="$(TARGET_CFLAGS)" \
            TARGET_LDFLAGS="$(TARGET_LDFLAGS)" \
            $(QEMU_ROOT)/xen-setup-stubdom )
-       $(CROSS_MAKE) -C ioemu -f $(QEMU_ROOT)/Makefile
+       $(MAKE) DESTDIR= -C ioemu -f $(QEMU_ROOT)/Makefile
 
 ######
 # caml
@@ -310,7 +308,7 @@ ioemu: cross-zlib cross-libpci libxc
 
 .PHONY: caml
 caml: $(CROSS_ROOT)
-       CPPFLAGS="$(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" $(CROSS_MAKE) 
-C $@ LWIPDIR=$(CURDIR)/lwip-$(XEN_TARGET_ARCH) 
OCAMLC_CROSS_PREFIX=$(CROSS_PREFIX)/$(GNU_TARGET_ARCH)-xen-elf/bin/
+       CPPFLAGS="$(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" $(MAKE) 
DESTDIR= -C $@ LWIPDIR=$(CURDIR)/lwip-$(XEN_TARGET_ARCH) 
OCAMLC_CROSS_PREFIX=$(CROSS_PREFIX)/$(GNU_TARGET_ARCH)-xen-elf/bin/
 
 ###
 # C
@@ -318,7 +316,7 @@ caml: $(CROSS_ROOT)
 
 .PHONY: c
 c: $(CROSS_ROOT)
-       CPPFLAGS="$(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" $(CROSS_MAKE) 
-C $@ LWIPDIR=$(CURDIR)/lwip-$(XEN_TARGET_ARCH) 
+       CPPFLAGS="$(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" $(MAKE) 
DESTDIR= -C $@ LWIPDIR=$(CURDIR)/lwip-$(XEN_TARGET_ARCH) 
 
 ######
 # Grub
@@ -337,7 +335,7 @@ grub-upstream: grub-$(GRUB_VERSION).tar.
 .PHONY: grub
 grub: grub-upstream $(CROSS_ROOT)
        mkdir -p grub-$(XEN_TARGET_ARCH)
-       CPPFLAGS="$(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" $(CROSS_MAKE) 
-C $@ OBJ_DIR=$(CURDIR)/grub-$(XEN_TARGET_ARCH)
+       CPPFLAGS="$(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" $(MAKE) 
DESTDIR= -C $@ OBJ_DIR=$(CURDIR)/grub-$(XEN_TARGET_ARCH)
 
 ##########
 # xenstore
@@ -345,7 +343,7 @@ grub: grub-upstream $(CROSS_ROOT)
 
 .PHONY: xenstore
 xenstore: $(CROSS_ROOT)
-       CPPFLAGS="$(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" $(CROSS_MAKE) 
-C $@ xenstored.a CONFIG_STUBDOM=y
+       CPPFLAGS="$(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" $(MAKE) 
DESTDIR= -C $@ xenstored.a CONFIG_STUBDOM=y
 
 ########
 # minios
@@ -354,23 +352,23 @@ xenstore: $(CROSS_ROOT)
 .PHONY: ioemu-stubdom
 ioemu-stubdom: APP_OBJS=$(CURDIR)/ioemu/i386-stubdom/qemu.a 
$(CURDIR)/ioemu/i386-stubdom/libqemu.a $(CURDIR)/ioemu/libqemu_common.a
 ioemu-stubdom: mini-os-$(XEN_TARGET_ARCH)-ioemu lwip-$(XEN_TARGET_ARCH) libxc 
ioemu
-       DEF_CPPFLAGS="$(TARGET_CPPFLAGS)" DEF_CFLAGS="$(TARGET_CFLAGS)" 
DEF_LDFLAGS="$(TARGET_LDFLAGS)" MINIOS_CONFIG="$(CURDIR)/ioemu-minios.cfg" 
$(CROSS_MAKE) -C $(MINI_OS) OBJ_DIR=$(CURDIR)/$< 
LWIPDIR=$(CURDIR)/lwip-$(XEN_TARGET_ARCH) APP_OBJS="$(APP_OBJS)"
+       DEF_CPPFLAGS="$(TARGET_CPPFLAGS)" DEF_CFLAGS="$(TARGET_CFLAGS)" 
DEF_LDFLAGS="$(TARGET_LDFLAGS)" MINIOS_CONFIG="$(CURDIR)/ioemu-minios.cfg" 
$(MAKE) DESTDIR= -C $(MINI_OS) OBJ_DIR=$(CURDIR)/$< 
LWIPDIR=$(CURDIR)/lwip-$(XEN_TARGET_ARCH) APP_OBJS="$(APP_OBJS)"
 
 .PHONY: caml-stubdom
 caml-stubdom: mini-os-$(XEN_TARGET_ARCH)-caml lwip-$(XEN_TARGET_ARCH) libxc 
cross-ocaml caml
-       DEF_CPPFLAGS="$(TARGET_CPPFLAGS)" DEF_CFLAGS="$(TARGET_CFLAGS)" 
DEF_LDFLAGS="$(TARGET_LDFLAGS)" MINIOS_CONFIG="$(CURDIR)/caml/minios.cfg" 
$(CROSS_MAKE) -C $(MINI_OS) OBJ_DIR=$(CURDIR)/$< 
LWIPDIR=$(CURDIR)/lwip-$(XEN_TARGET_ARCH) APP_OBJS="$(CURDIR)/caml/main-caml.o 
$(CURDIR)/caml/caml.o $(CAMLLIB)/libasmrun.a"
+       DEF_CPPFLAGS="$(TARGET_CPPFLAGS)" DEF_CFLAGS="$(TARGET_CFLAGS)" 
DEF_LDFLAGS="$(TARGET_LDFLAGS)" MINIOS_CONFIG="$(CURDIR)/caml/minios.cfg" 
$(MAKE) DESTDIR= -C $(MINI_OS) OBJ_DIR=$(CURDIR)/$< 
LWIPDIR=$(CURDIR)/lwip-$(XEN_TARGET_ARCH) APP_OBJS="$(CURDIR)/caml/main-caml.o 
$(CURDIR)/caml/caml.o $(CAMLLIB)/libasmrun.a"
 
 .PHONY: c-stubdom
 c-stubdom: mini-os-$(XEN_TARGET_ARCH)-c lwip-$(XEN_TARGET_ARCH) libxc c
-       DEF_CPPFLAGS="$(TARGET_CPPFLAGS)" DEF_CFLAGS="$(TARGET_CFLAGS)" 
DEF_LDFLAGS="$(TARGET_LDFLAGS)" MINIOS_CONFIG="$(CURDIR)/c/minios.cfg" 
$(CROSS_MAKE) -C $(MINI_OS) OBJ_DIR=$(CURDIR)/$< 
LWIPDIR=$(CURDIR)/lwip-$(XEN_TARGET_ARCH) APP_OBJS=$(CURDIR)/c/main.a
+       DEF_CPPFLAGS="$(TARGET_CPPFLAGS)" DEF_CFLAGS="$(TARGET_CFLAGS)" 
DEF_LDFLAGS="$(TARGET_LDFLAGS)" MINIOS_CONFIG="$(CURDIR)/c/minios.cfg" $(MAKE) 
DESTDIR= -C $(MINI_OS) OBJ_DIR=$(CURDIR)/$< 
LWIPDIR=$(CURDIR)/lwip-$(XEN_TARGET_ARCH) APP_OBJS=$(CURDIR)/c/main.a
 
 .PHONY: pv-grub
 pv-grub: mini-os-$(XEN_TARGET_ARCH)-grub libxc grub
-       DEF_CPPFLAGS="$(TARGET_CPPFLAGS)" DEF_CFLAGS="$(TARGET_CFLAGS)" 
DEF_LDFLAGS="$(TARGET_LDFLAGS)" MINIOS_CONFIG="$(CURDIR)/grub/minios.cfg" 
$(CROSS_MAKE) -C $(MINI_OS) OBJ_DIR=$(CURDIR)/$< 
APP_OBJS=$(CURDIR)/grub-$(XEN_TARGET_ARCH)/main.a
+       DEF_CPPFLAGS="$(TARGET_CPPFLAGS)" DEF_CFLAGS="$(TARGET_CFLAGS)" 
DEF_LDFLAGS="$(TARGET_LDFLAGS)" MINIOS_CONFIG="$(CURDIR)/grub/minios.cfg" 
$(MAKE) DESTDIR= -C $(MINI_OS) OBJ_DIR=$(CURDIR)/$< 
APP_OBJS=$(CURDIR)/grub-$(XEN_TARGET_ARCH)/main.a
 
 .PHONY: xenstore-stubdom
 xenstore-stubdom: mini-os-$(XEN_TARGET_ARCH)-xenstore libxc xenstore
-       DEF_CPPFLAGS="$(TARGET_CPPFLAGS)" DEF_CFLAGS="$(TARGET_CFLAGS)" 
DEF_LDFLAGS="$(TARGET_LDFLAGS)" MINIOS_CONFIG="$(CURDIR)/xenstore-minios.cfg" 
$(CROSS_MAKE) -C $(MINI_OS) OBJ_DIR=$(CURDIR)/$< 
APP_OBJS=$(CURDIR)/xenstore/xenstored.a
+       DEF_CPPFLAGS="$(TARGET_CPPFLAGS)" DEF_CFLAGS="$(TARGET_CFLAGS)" 
DEF_LDFLAGS="$(TARGET_LDFLAGS)" MINIOS_CONFIG="$(CURDIR)/xenstore-minios.cfg" 
$(MAKE) DESTDIR= -C $(MINI_OS) OBJ_DIR=$(CURDIR)/$< 
APP_OBJS=$(CURDIR)/xenstore/xenstored.a
 
 #########
 # install
@@ -412,13 +410,13 @@ clean:
        rm -fr mini-os-$(XEN_TARGET_ARCH)-caml
        rm -fr mini-os-$(XEN_TARGET_ARCH)-grub
        rm -fr mini-os-$(XEN_TARGET_ARCH)-xenstore
-       $(CROSS_MAKE) -C caml clean
-       $(CROSS_MAKE) -C c clean
+       $(MAKE) DESTDIR= -C caml clean
+       $(MAKE) DESTDIR= -C c clean
        rm -fr grub-$(XEN_TARGET_ARCH)
        rm -f $(STUBDOMPATH)
-       [ ! -d libxc-$(XEN_TARGET_ARCH) ] || $(CROSS_MAKE) -C 
libxc-$(XEN_TARGET_ARCH) clean
-       -[ ! -d ioemu ] || $(CROSS_MAKE) -C ioemu clean
-       -[ ! -d xenstore ] || $(CROSS_MAKE) -C xenstore clean
+       [ ! -d libxc-$(XEN_TARGET_ARCH) ] || $(MAKE) DESTDIR= -C 
libxc-$(XEN_TARGET_ARCH) clean
+       -[ ! -d ioemu ] || $(MAKE) DESTDIR= -C ioemu clean
+       -[ ! -d xenstore ] || $(MAKE) DESTDIR= -C xenstore clean
 
 # clean the cross-compilation result
 .PHONY: crossclean

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