jjb: lttng-modules: disable -Werror for kernel builds

[lttng-ci.git] / scripts / lttng-modules / param-build.sh

diff --git a/scripts/lttng-modules/param-build.sh b/scripts/lttng-modules/param-build.sh
index e8709d2e0200bbbed7beda97d9b92d15442554ea..ef7a3d0d8fa021b8b8ed194f1dfa9bd6e87366d5 100644 (file)
--- a/scripts/lttng-modules/param-build.sh
+++ b/scripts/lttng-modules/param-build.sh
@@ -1,6 +1,6 @@
-#!/bin/bash -exu
+#!/bin/bash
 #
-# Copyright (C) 2016-2019 - Michael Jeanson <mjeanson@efficios.com>
+# Copyright (C) 2016-2019 Michael Jeanson <mjeanson@efficios.com>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -15,8 +15,10 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+set -exu
+
 # Parameters
-arch=${arch:-}
+arch=${arch:-amd64}
 cross_arch=${cross_arch:-}
 ktag=${ktag:-}
 kgitrepo=${kgitrepo:-}
@@ -102,7 +104,7 @@ select_compiler() {
 
     set +e
 
-    for cc in gcc-5 gcc-4.8; do
+    for cc in gcc-8 gcc-5 gcc-4.8; do
       if "${CROSS_COMPILE:-}${cc}" -I include/ -D__LINUX_COMPILER_H -D__LINUX_COMPILER_TYPES_H -E include/linux/compiler-gcc.h; then
         selected_cc="$cc"
         break
@@ -265,6 +267,9 @@ build_linux_kernel() {
       scripts/config --disable CONFIG_IGBVF
     fi
 
+    # Don't fail the build on warnings
+    scripts/config --disable CONFIG_WERROR
+
     # Set required options
     scripts/config --enable CONFIG_TRACEPOINTS
     scripts/config --enable CONFIG_KALLSYMS
@@ -278,6 +283,9 @@ build_linux_kernel() {
     scripts/config --enable CONFIG_EVENT_TRACING
     scripts/config --enable CONFIG_KRETPROBES
 
+    # FIXME: disable objtool on vmlinux, it OOMs on allyesconfig
+    sed -i 's/objtool_link vmlinux.o//' scripts/link-vmlinux.sh || true
+
     # Debug
     #cat .config
 
@@ -385,7 +393,9 @@ extract_distro_headers() {
     touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h"
 
     # Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
-    cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf"
+    if [ ! -f "${LINUX_HDROBJ_DIR}/include/config/auto.conf" ]; then
+        cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf"
+    fi
 
     # Finally clean the object files from the full source tree
     make clean
@@ -429,6 +439,10 @@ build_modules() {
 
     kversion=$(make -C "$LINUX_HDROBJ_DIR" -s kernelversion)
 
+    # Try to catch some compatibility problems by turning some
+    # warnings into errors.
+    #export KCFLAGS="$KCFLAGS -Wall -Werror"
+
     # Enter lttng-modules source dir
     cd "${MODULES_GIT_DIR}"