SECTION = "devel" # Need binutils for libiberty.a # Would need transfig-native for documentation if it wasn't disabled DEPENDS = "elfutils binutils" SUMMARY = "An ELF prelinking utility" HOMEPAGE = "http://git.yoctoproject.org/cgit.cgi/prelink-cross/about/" DESCRIPTION = "The prelink package contains a utility which modifies ELF shared libraries \ and executables, so that far fewer relocations need to be resolved at \ runtime and thus programs come up faster." LICENSE = "GPLv2" LIC_FILES_CHKSUM = "file://COPYING;md5=c93c0550bd3173f4504b2cbd8991e50b" SRCREV = "ef20628dd78b92e1a3123afc67b64cf010bdd9e4" PV = "1.0+git${SRCPV}" # # The cron script attempts to re-prelink the system daily -- on # systems where users are adding applications, this might be reasonable # but for embedded, we should be re-running prelink -a after an update. # # Default is prelinking is enabled. # SUMMARY_${PN}-cron = "Cron scripts to control automatic prelinking" DESCRIPTION_${PN}-cron = "Cron scripts to control automatic prelinking. \ See: ${sysconfdir}/cron.daily/prelink for configuration information." FILES_${PN}-cron = "${sysconfdir}/cron.daily ${sysconfdir}/default" PACKAGES =+ "${PN}-cron" SRC_URI = "git://git.yoctoproject.org/prelink-cross.git;branch=cross_prelink \ file://prelink.conf \ file://prelink.cron.daily \ file://prelink.default \ file://macros.prelink" UPSTREAM_CHECK_COMMITS = "1" TARGET_OS_ORIG := "${TARGET_OS}" OVERRIDES_append = ":${TARGET_OS_ORIG}" S = "${WORKDIR}/git" inherit autotools BBCLASSEXTEND = "native" EXTRA_OECONF = "--disable-selinux --with-pkgversion=${PV}-${PR} \ --with-bugurl=http://bugzilla.yoctoproject.org/" # # For target prelink we need to ensure paths match the lib path layout # including for any configured multilibs # python do_linkerpaths () { values = all_multilib_tune_list(["TUNE_ARCH", "baselib", "ABIEXTENSION"], d) arches = values["TUNE_ARCH"] baselibs = values["baselib"] abis = values["ABIEXTENSION"] def replace_lines(f, search, replacement, d, firstonly = False, secondonly = False): f = d.expand(f) if search == replacement: return bb.debug(2, "Replacing %s with %s in %s" % (search, replacement, f)) with open(f, "r") as data: lines = data.readlines() with open(f, "w") as data: for line in lines: if not secondonly and not firstonly: line = line.replace(search, replacement) elif secondonly and search in line: secondonly = False elif firstonly and search and search in line: line = line.replace(search, replacement) search = None data.write(line) def replace_lines_rtld(f, search, replacement, section, d): f = d.expand(f) bb.debug(2, "Replacing %s with %s in %s" % (search, replacement, f)) with open(f, "r") as data: lines = data.readlines() found = False found2 = False with open(f, "w") as data: for line in lines: if section in line: if section == "else" and "if" in line: found = False else: found = True if found and "dst_LIB =" in line: found2 = True elif "}" in line: found = False found2 = False if found2: line = line.replace(search, replacement) data.write(line) for i, arch in enumerate(arches): tune_baselib = baselibs[i] abi = abis[i] bits = 32 if arch == "powerpc": replace_lines("${S}/src/arch-ppc.c", "/lib/ld.so.1", "/" + tune_baselib + "/ld.so.1", d) elif arch == "powerpc64": replace_lines("${S}/src/arch-ppc64.c", "/lib64/ld64.so.1", "/" + tune_baselib + "/ld64.so.1", d) bits = 64 elif arch == "x86_64": if abi == "x32": replace_lines("${S}/src/arch-x86_64.c", "/libx32/ld-linux-x32.so.2", "/" + tune_baselib + "/ld-linux-x32.so.2", d) else: replace_lines("${S}/src/arch-x86_64.c", "/lib64/ld-linux-x86-64.so.2", "/" + tune_baselib + "/ld-linux-x86-64.so.2", d) bits = 64 elif arch == "arm": replace_lines("${S}/src/arch-arm.c", "/lib/ld-linux.so.3", "/" + tune_baselib + "/ld-linux.so.3", d) replace_lines("${S}/src/arch-arm.c", "/lib/ld-linux-armhf.so.3", "/" + tune_baselib + "/ld-linux-armhf.so.3", d) elif arch == "mips" or arch == "mipsel": replace_lines("${S}/src/arch-mips.c", "/lib/ld.so.1", "/" + tune_baselib + "/ld.so.1", d, firstonly=True) replace_lines("${S}/src/arch-mips.c", "/lib32/ld.so.1", "/" + tune_baselib + "/ld.so.1", d) elif arch == "mips64" or arch == "mips64el": replace_lines("${S}/src/arch-mips.c", "/lib/ld.so.1", "/" + tune_baselib + "/ld.so.1", d, secondonly=True) replace_lines("${S}/src/arch-mips.c", "/lib64/ld.so.1", "/" + tune_baselib + "/ld.so.1", d) bits = 64 elif arch.endswith("86"): replace_lines("${S}/src/arch-i386.c", "/lib/ld-linux.so.2", "/" + tune_baselib + "/ld-linux.so.2", d) if bits == 32 and tune_baselib != "lib": replace_lines_rtld("${S}/src/rtld/rtld.c", "lib", tune_baselib, "else", d) if bits == 64 and tune_baselib != "lib64": replace_lines_rtld("${S}/src/rtld/rtld.c", "lib64", tune_baselib, "use_64bit", d) } python () { overrides = d.getVar("OVERRIDES").split(":") if "class-target" in overrides: bb.build.addtask('do_linkerpaths', 'do_configure', 'do_patch', d) } do_configure_prepend () { # Disable documentation! echo "all:" > ${S}/doc/Makefile.am } do_install_append () { install -d ${D}${sysconfdir}/cron.daily ${D}${sysconfdir}/default ${D}${sysconfdir}/rpm install -m 0644 ${WORKDIR}/prelink.conf ${D}${sysconfdir}/prelink.conf install -m 0644 ${WORKDIR}/prelink.cron.daily ${D}${sysconfdir}/cron.daily/prelink install -m 0644 ${WORKDIR}/prelink.default ${D}${sysconfdir}/default/prelink install -m 0644 ${WORKDIR}/macros.prelink ${D}${sysconfdir}/rpm/macros.prelink } # If we ae doing a cross install, we want to avoid prelinking. # Prelinking during a cross install should be handled by the image-prelink # bbclass. If the user desires this to run on the target at first boot # they will need to create a custom boot script. pkg_postinst_prelink() { #!/bin/sh if [ "x$D" != "x" ]; then exit 0 fi prelink -a } pkg_prerm_prelink() { #!/bin/sh if [ "x$D" != "x" ]; then exit 1 fi prelink -au }