From: Christopher Clark <[email protected]> The change to the method of passing compiler flags into the Xen build system in 6b697676 omitted passing the compiler flags for improving build reproducibility, so this commit returns them and includes a change to use the -ffile-prefix-map compiler option to remove host filesystem artefacts instead of the prior method of redefining the __FILE__ builtin macro.
Signed-off-by: Christopher Clark <[email protected]> --- recipes-extended/xen/xen.inc | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/recipes-extended/xen/xen.inc b/recipes-extended/xen/xen.inc index d863c8f..2a02805 100644 --- a/recipes-extended/xen/xen.inc +++ b/recipes-extended/xen/xen.inc @@ -101,12 +101,12 @@ export LDFLAGS="" # It must not be compiled with SSE compiler options enabled and the Xen build # explicitly clears CFLAGS to ensure that, so such options must not be passed # in via the tool variable. hvmloader is required to run HVM-mode guest VMs. -CC="${CCACHE}${HOST_PREFIX}gcc ${TOOLCHAIN_OPTIONS}" +CC="${CCACHE}${HOST_PREFIX}gcc ${TOOLCHAIN_OPTIONS} ${CC_REPRODUCIBLE_OPTIONS}" EXTRA_CFLAGS_XEN_CORE="${HOST_CC_ARCH} ${CFLAGS}" EXTRA_CFLAGS_XEN_TOOLS="${HOST_CC_ARCH} ${CFLAGS}" # 32-bit ARM needs the TUNE_CCARGS component of HOST_CC_ARCH to be passed # in CC to ensure that configure can compile binaries for the right arch. -CC_arm="${CCACHE}${HOST_PREFIX}gcc ${TUNE_CCARGS} ${TOOLCHAIN_OPTIONS}" +CC_arm="${CCACHE}${HOST_PREFIX}gcc ${TUNE_CCARGS} ${TOOLCHAIN_OPTIONS} ${CC_REPRODUCIBLE_OPTIONS}" EXTRA_CFLAGS_XEN_CORE_arm="${SECURITY_CFLAGS} ${CFLAGS}" EXTRA_CFLAGS_XEN_TOOLS_arm="${SECURITY_CFLAGS} ${CFLAGS}" @@ -155,10 +155,10 @@ EXTRA_OEMAKE += "${@['', 'XEN_WHOAMI=${PF} XEN_DOMAIN=${DISTRO} XEN_BUILD_HOST=$ [d.getVar('BUILD_REPRODUCIBLE_BINARIES') == '1']}${@get_build_time_vars(d)}" # Improve build reproducibility: compiler flags to remove filesystem differences. -# Suppress __FILE__ via an alternative builtin. -CC += "${@['', '-gno-record-gcc-switches -Wno-builtin-macro-redefined -D__FILE__=__VERSION__ ' + \ - '-fdebug-prefix-map=${WORKDIR}=${PN}'] \ - [d.getVar('BUILD_REPRODUCIBLE_BINARIES') == '1']}" +CC_REPRODUCIBLE_OPTIONS = "${@['', '-gno-record-gcc-switches ' + \ + '-ffile-prefix-map=${S}=${PN}-source ' + \ + '-fdebug-prefix-map=${WORKDIR}=${PN}'] \ + [d.getVar('BUILD_REPRODUCIBLE_BINARIES') == '1']}" # check for XSM in package config to allow XSM_ENABLE to be set python () { -- 2.17.1
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