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-rwxr-xr-xscripts/package/mkspec97
1 files changed, 97 insertions, 0 deletions
diff --git a/scripts/package/mkspec b/scripts/package/mkspec
new file mode 100755
index 000000000..c604f8c17
--- /dev/null
+++ b/scripts/package/mkspec
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+#!/bin/sh
+#
+# Output a simple RPM spec file.
+# This version assumes a minimum of RPM 4.13
+#
+# The only gothic bit here is redefining install_post to avoid
+# stripping the symbols from files in the kernel which we want
+#
+# Patched for non-x86 by Opencon (L) 2002 <opencon@rio.skydome.net>
+#
+
+set -eu
+
+output=$1
+
+mkdir -p "$(dirname "${output}")"
+
+exec >"${output}"
+
+if grep -q CONFIG_MODULES=y include/config/auto.conf; then
+echo '%define with_devel %{?_without_devel: 0} %{?!_without_devel: 1}'
+else
+echo '%define with_devel 0'
+fi
+
+# use %{debug_package} machinery to generate -debuginfo
+with_debuginfo_rpm=0
+# manually generate -debuginfo package
+with_debuginfo_manual=0
+# debuginfo package generation uses find-debuginfo.sh under the hood,
+# which only works on uncompressed modules that contain debuginfo
+if grep -q CONFIG_DEBUG_INFO=y include/config/auto.conf &&
+ (! grep -q CONFIG_MODULE_COMPRESS=y include/config/auto.conf) &&
+ (! grep -q CONFIG_DEBUG_INFO_SPLIT=y include/config/auto.conf); then
+ # If module signing is enabled (which may be required to boot with
+ # lockdown enabled), the find-debuginfo.sh machinery cannot be used
+ # because the signatures will be stripped off the modules. However, due
+ # to an rpm bug in versions prior to 4.20.0
+ #
+ # https://github.com/rpm-software-management/rpm/issues/3057
+ # https://github.com/rpm-software-management/rpm/commit/49f906998f3cf1f4152162ca61ac0869251c380f
+ #
+ # We cannot provide our own debuginfo package because it does not listen
+ # to our custom files list, failing the build due to unpackaged files.
+ # Manually generate the debug info package if using rpm 4.20.0. If not
+ # using rpm 4.20.0, avoid generating a -debuginfo package altogether,
+ # as it is not safe.
+ if grep -q CONFIG_MODULE_SIG=y include/config/auto.conf; then
+ rpm_ver_str=$(rpm --version 2>/dev/null)
+ # Split the version on spaces
+ IFS=' '
+ set -- $rpm_ver_str
+ if [ "${1:-}" = RPM -a "${2:-}" = version ]; then
+ IFS=.
+ set -- $3
+ rpm_ver=$(( 1000000 * $1 + 10000 * $2 + 100 * $3 + ${4:-0} ))
+ if [ "$rpm_ver" -ge 4200000 ]; then
+ with_debuginfo_manual='%{?_without_debuginfo:0}%{?!_without_debuginfo:1}'
+ fi
+ fi
+ else
+ with_debuginfo_rpm='%{?_without_debuginfo:0}%{?!_without_debuginfo:1}'
+ fi
+fi
+echo "%define with_debuginfo_manual $with_debuginfo_manual"
+echo "%define with_debuginfo_rpm $with_debuginfo_rpm"
+
+cat<<EOF
+%define ARCH ${ARCH}
+%define KERNELRELEASE ${KERNELRELEASE}
+%define pkg_release $("${srctree}/scripts/build-version")
+EOF
+
+cat "${srctree}/scripts/package/kernel.spec"
+
+# collect the user's name and email address for the changelog entry
+if [ "$(command -v git)" ]; then
+ name=$(git config user.name) || true
+ email=$(git config user.email) || true
+fi
+
+if [ ! "${name:+set}" ]; then
+ name=${KBUILD_BUILD_USER:-$(id -nu)}
+fi
+
+if [ ! "${email:+set}" ]; then
+ buildhost=${KBUILD_BUILD_HOST:-$(hostname -f 2>/dev/null || hostname)}
+ builduser=${KBUILD_BUILD_USER:-$(id -nu)}
+ email="${builduser}@${buildhost}"
+fi
+
+cat << EOF
+
+%changelog
+* $(LC_ALL=C date +'%a %b %d %Y') ${name} <${email}>
+- Custom built Linux kernel.
+EOF