perl: build with perlcross instead of qemu
The perlcross project makes it possible to properly cross-compile perl. It creates a host-miniperl that is configured for the target and uses that to cross-compile the perl modules. Unfortunately there are still a few hacks needed to make it work. Proper fixes can be developed and upstreamed later. Since there is no longer a dependency on qemu, it works on all architectures again. Also removed some config options: - BR2_PACKAGE_PERL_CUSTOM_INSTALL just allows a selection of modules; this can also be encoded by an empty BR2_PACKAGE_PERL_MODULES. - BR2_PACKAGE_PERL_DB_FILE and BR2_PACKAGE_PERL_GDBM_FILE can be derived automatically from the package configs. Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Arnout Vandecappelle
Peter Korsgaard
parent
062129c16e
commit
234fe44334
@ -1,12 +1,5 @@
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config BR2_PACKAGE_PERL
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bool "perl"
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depends on !BR2_avr32
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depends on !BR2_bfin
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depends on !BR2_sh2
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depends on !BR2_sh2a
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depends on !BR2_sh3
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depends on !BR2_sh3eb
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depends on !BR2_sh64
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help
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Larry Wall's Practical Extraction and Report Language
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An interpreted scripting language, known among some as "Unix's Swiss
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@ -16,35 +9,18 @@ config BR2_PACKAGE_PERL
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if BR2_PACKAGE_PERL
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config BR2_PACKAGE_PERL_CUSTOM_INSTALL
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bool "custom install"
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help
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Don't use the full install target
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Install only a selection of modules (like microperl).
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config BR2_PACKAGE_PERL_MODULES
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string "additional modules"
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depends on BR2_PACKAGE_PERL_CUSTOM_INSTALL
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string "custom module selection"
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help
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List of space-separated perl modules to copy to the rootfs.
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List of space-separated perl modules (without .pm) to copy to the
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rootfs.
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Examples: constant.pm Getopt/Std.pm Time/Local.pm
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Examples: constant Getopt/Std Time/Local
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Module dependencies are not automatic so check your needs.
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Module dependencies on external libraries are not automatic so
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check your needs.
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config BR2_PACKAGE_PERL_DB_FILE
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bool "DB_File"
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select BR2_PACKAGE_BERKELEYDB
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help
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Build the DB_File module.
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config BR2_PACKAGE_PERL_GDBM_FILE
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bool "GDBM_File"
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select BR2_PACKAGE_GDBM
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help
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Build the GDBM_File module.
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Leave empty for all modules (as far as the external libraries
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are available).
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endif
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comment "perl requires an architecture supported by qemu"
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depends on BR2_avr32 || BR2_bfin || BR2_sh2 || BR2_sh2a || BR2_sh3 || BR2_sh3eb || BR2_sh64
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@ -12,7 +12,26 @@ PERL_LICENSE = Artistic
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PERL_LICENSE_FILES = Artistic
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PERL_INSTALL_STAGING = YES
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PERL_DEPENDENCIES = host-qemu
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PERL_CROSS_VERSION = 0.7
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PERL_CROSS_SITE = http://download.berlios.de/perlcross
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PERL_CROSS_SOURCE = perl-5.$(PERL_VERSION_MAJOR).0-cross-$(PERL_CROSS_VERSION).tar.gz
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# We use the perlcross hack to cross-compile perl. It should
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# be extracted over the perl sources, so we don't define that
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# as a separate package. Instead, it is downloaded and extracted
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# together with perl
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define PERL_CROSS_DOWNLOAD
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$(call DOWNLOAD,$(PERL_CROSS_SITE)/$(PERL_CROSS_SOURCE))
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endef
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PERL_POST_DOWNLOAD_HOOKS += PERL_CROSS_DOWNLOAD
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define PERL_CROSS_EXTRACT
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$(INFLATE$(suffix $(PERL_CROSS_SOURCE))) $(DL_DIR)/$(PERL_CROSS_SOURCE) | \
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$(TAR) $(TAR_STRIP_COMPONENTS)=1 -C $(@D) $(TAR_OPTIONS) -
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endef
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PERL_POST_EXTRACT_HOOKS += PERL_CROSS_EXTRACT
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ifeq ($(BR2_PACKAGE_BERKELEYDB),y)
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PERL_DEPENDENCIES += berkeleydb
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endif
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@ -20,23 +39,31 @@ ifeq ($(BR2_PACKAGE_GDBM),y)
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PERL_DEPENDENCIES += gdbm
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endif
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PERL_CONF_OPT = -des \
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-Dusecrosscompile \
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-Dtargetrun=$(QEMU_USER) \
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-Dqemulib=$(STAGING_DIR) \
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-Dar="$(TARGET_AR)" \
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-Dcc="$(TARGET_CC)" \
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-Dcpp="$(TARGET_CC)" \
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-Dld="$(TARGET_LD)" \
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-Dnm="$(TARGET_NM)" \
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-Dranlib="$(TARGET_RANLIB)" \
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-Dccflags="$(TARGET_CFLAGS)" \
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-Dldflags="$(TARGET_LDFLAGS) -lgcc_s -lm" \
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-Dlddlflags="-shared" \
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-Dlibc=$(STAGING_DIR)/lib/libc.so \
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-Duseshrplib \
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-Dprefix=/usr \
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-Uoptimize
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# Normally, --mode=cross should automatically do the two steps
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# below, but it doesn't work for some reason.
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PERL_HOST_CONF_OPT = \
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--mode=buildmini \
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--target=$(GNU_TARGET_NAME) \
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--target-arch=$(GNU_TARGET_NAME) \
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--set-target-name=$(GNU_TARGET_NAME)
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# We have to override LD, because an external multilib toolchain ld is not
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# wrapped to provide the required sysroot options. We also can't use ccache
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# because the configure script doesn't support it.
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PERL_CONF_OPT = \
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--mode=target \
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--target=$(GNU_TARGET_NAME) \
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--target-tools-prefix=$(TARGET_CROSS) \
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--prefix=/usr \
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-Dld="$(TARGET_CC_NOCCACHE)" \
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-A ccflags="$(TARGET_CFLAGS)" \
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-A ldflags="$(TARGET_LDFLAGS) -lm" \
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-A mydomain="" \
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-A myhostname="$(BR2_TARGET_GENERIC_HOSTNAME)" \
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-A myuname="Buildroot $(BR2_VERSION_FULL)" \
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-A osname=linux \
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-A osvers=$(LINUX_VERSION) \
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-A perlamdin=root
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ifeq ($(shell expr $(PERL_VERSION_MAJOR) % 2), 1)
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PERL_CONF_OPT += -Dusedevel
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@ -46,93 +73,39 @@ ifneq ($(BR2_LARGEFILE),y)
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PERL_CONF_OPT += -Uuselargefiles
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endif
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PERL_MODULES = $(call qstrip,$(BR2_PACKAGE_PERL_MODULES))
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ifneq ($(PERL_MODULES),)
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PERL_CONF_OPT += --only-mod=$(subst $(space),$(comma),$(PERL_MODULES))
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endif
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define PERL_CONFIGURE_CMDS
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rm -f $(@D)/config.sh
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(cd $(@D); ./Configure $(PERL_CONF_OPT))
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echo "# patched values" >>$(@D)/config.sh
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$(SED) '/^myarchname=/d' \
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-e '/^mydomain=/d' \
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-e '/^myhostname=/d' \
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-e '/^myuname=/d' \
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-e '/^osname=/d' \
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-e '/^osvers=/d' \
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-e '/^perladmin=/d' \
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$(@D)/config.sh
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echo "myarchname='$(GNU_TARGET_NAME)'" >>$(@D)/config.sh
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echo "mydomain=''" >>$(@D)/config.sh
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echo "myhostname='$(BR2_TARGET_GENERIC_HOSTNAME)'" >>$(@D)/config.sh
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echo "myuname='Buildroot $(BR2_VERSION_FULL)'" >>$(@D)/config.sh
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echo "osname='linux'" >>$(@D)/config.sh
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echo "osvers='$(BR2_LINUX_KERNEL_VERSION)'" >>$(@D)/config.sh
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echo "perladmin='root'" >>$(@D)/config.sh
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(cd $(@D); ./Configure -S)
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cp $(@D)/config.h $(@D)/xconfig.h
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(cd $(@D); HOSTCC='$(HOSTCC_NOCACHE)' ./configure $(PERL_HOST_CONF_OPT))
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(cd $(@D); ./configure $(PERL_CONF_OPT))
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$(SED) 's/UNKNOWN-/Buildroot $(BR2_VERSION_FULL) /' $(@D)/patchlevel.h
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endef
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# perlcross's miniperl_top forgets base, which is required by mktables.
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# Instead of patching, it's easier to just set PERL5LIB
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define PERL_BUILD_CMDS
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echo "#!/bin/sh" > $(@D)/Cross/miniperl
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echo "$(QEMU_USER) $(@D)/miniperl \"\$$@\"" >>$(@D)/Cross/miniperl
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chmod +x $(@D)/Cross/miniperl
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PERL_MM_OPT="PERL=$(@D)/Cross/miniperl" \
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$(MAKE) -C $(@D) all
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PERL5LIB=$(@D)/dist/base/lib $(MAKE1) -C $(@D) perl modules
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endef
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define PERL_INSTALL_STAGING_CMDS
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$(MAKE) INSTALL_DEPENDENCE= \
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INSTALLFLAGS= \
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DESTDIR="$(STAGING_DIR)" \
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-C $(@D) install.perl
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PERL5LIB=$(@D)/dist/base/lib $(MAKE1) -C $(@D) DESTDIR="$(STAGING_DIR)" install.perl
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endef
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PERL_RUN_PERL = $(QEMU_USER) $(@D)/perl -Ilib
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PERL_ARCHNAME = $(shell $(PERL_RUN_PERL) -MConfig -e "print Config->{archname}")
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PERL_LIB = $(TARGET_DIR)/usr/lib/perl5/$(PERL_VERSION)
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PERL_ARCHLIB = $(PERL_LIB)/$(PERL_ARCHNAME)
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PERL_MODS = $(call qstrip,$(BR2_PACKAGE_PERL_MODULES))
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# Minimal set of modules required for 'perl -V' to work
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PERL_ARCH_MODS = Config.pm Config_git.pl Config_heavy.pl
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PERL_BASE_MODS = strict.pm vars.pm warnings.pm warnings/register.pm
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define PERL_INSTALL_MODULES
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for i in $(PERL_ARCH_MODS); do \
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$(INSTALL) -m 0644 -D $(@D)/lib/$$i $(PERL_ARCHLIB)/$$i; \
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done
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for i in $(PERL_BASE_MODS); do \
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$(INSTALL) -m 0644 -D $(@D)/lib/$$i $(PERL_LIB)/$$i; \
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done
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for i in $(PERL_MODS); do \
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j=`echo $$i|cut -d : -f 1` ; \
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if [ -d $(@D)/lib/$$j ] ; then \
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cp -af $(@D)/lib/$$j $(PERL_LIB) ; \
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fi ; \
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if [ -f $(@D)/lib/$$i ] ; then \
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$(INSTALL) -m 0644 -D $(@D)/lib/$$i $(PERL_LIB)/$$i; \
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fi ; \
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done
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# Remove test files
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find $(PERL_LIB) -type f -name *.t -exec rm -f {} \;
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endef
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ifeq ($(BR2_PACKAGE_PERL_CUSTOM_INSTALL),y)
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define PERL_INSTALL_TARGET_CMDS
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$(INSTALL) -m 0755 -D $(@D)/perl $(TARGET_DIR)/usr/bin/perl
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$(INSTALL) -m 0755 -D $(@D)/libperl.so $(PERL_ARCHLIB)/CORE/libperl.so
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$(PERL_INSTALL_MODULES)
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endef
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else
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define PERL_INSTALL_TARGET_CMDS
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$(MAKE) INSTALL_DEPENDENCE= \
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INSTALLFLAGS=-p \
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DESTDIR="$(TARGET_DIR)" \
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-C $(@D) install.perl
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rm -f $(PERL_ARCHLIB)/CORE/*.h
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find $(PERL_ARCHLIB) -type f -name *.bs -exec rm -f {} \;
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endef
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PERL_INSTALL_TARGET_GOALS = install.perl
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ifeq ($(BR2_HAVE_DOCUMENTATION),y)
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PERL_INSTALL_TARGET_GOALS += install.man
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endif
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define PERL_INSTALL_TARGET_CMDS
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PERL5LIB=$(@D)/dist/base/lib $(MAKE1) -C $(@D) DESTDIR="$(TARGET_DIR)" $(PERL_INSTALL_TARGET_GOALS)
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endef
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define PERL_CLEAN_CMDS
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-$(MAKE) -C $(@D) clean
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-$(MAKE1) -C $(@D) clean
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endef
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$(eval $(generic-package))
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