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ossp-uuid, libffi, libgcrypt: Pass --tag=CC option to libtool

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libtool tries to guess the --tag value based on CC/CXX environment
variables and the compile commandline generated by makefiles. This
heuristics however fails when we construct CC variables in OE
and add security flags to it, especially -fPIE -pie which are added
by external compilers e.g. clang particularly. It fails because
libtool removed PIE flags from compiler cmdline intelligently
if it figures out that its building a library, which means that
the CC variable passed from cmdline does not match with the compiler
cmdline constructed by libtool and we end up with errors like

| arm-bec-linux-musleabi-libtool: compile: unable to infer tagged configuration
| arm-bec-linux-musleabi-libtool:   error: specify a tag with '--tag'

This works with internal gcc toolchain because we configure gcc for
PIE when hardening is selected and dont pass -fPIE -pie options explicitly
but this is not an option for clang, and some external gcc toolchains
using older gcc

This patch adds the --tag option to help libtool set correct tags
in packages where it cant get it right via its heuristics

(From OE-Core rev: 0505075ae8d339ba097aebb82b4d0ae62f87c0a9)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj
2017-07-23 17:47:43 -07:00
committed by Richard Purdie
parent 1cce7f885c
commit 26d043bf26
4 changed files with 26 additions and 1 deletions
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3
meta/recipes-support/libffi/libffi_3.2.1.bb
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@@ -20,7 +20,7 @@ SRC_URI[md5sum] = "83b89587607e3eb65c70d361f13bab43"
SRC_URI[sha256sum] = "d06ebb8e1d9a22d19e38d63fdb83954253f39bedc5d46232a05645685722ca37"
EXTRA_OECONF += "--disable-builddir"
EXTRA_OEMAKE_class-target = "LIBTOOLFLAGS='--tag=CC'"
inherit autotools texinfo
FILES_${PN}-dev += "${libdir}/libffi-${PV}"
@@ -30,3 +30,4 @@ FILES_${PN}-dev += "${libdir}/libffi-${PV}"
MIPS_INSTRUCTION_SET = "mips"
BBCLASSEXTEND = "native nativesdk"

1
meta/recipes-support/libgcrypt/libgcrypt_1.7.8.bb
View File

@@ -29,6 +29,7 @@ BINCONFIG = "${bindir}/libgcrypt-config"
inherit autotools texinfo binconfig-disabled pkgconfig
EXTRA_OECONF = "--disable-asm"
EXTRA_OEMAKE_class-target = "LIBTOOLFLAGS='--tag=CC'"
PACKAGECONFIG ??= "capabilities"
PACKAGECONFIG[capabilities] = "--with-capabilities,--without-capabilities,libcap"