ovmf_git.bb: enable parallel compilation

The Fedora srpm [1] seems to have no problems with parallel
compilation, so let's also use that for the target. The native
tools however indeed have dependency problems:

| test_Ecc_CParser (CheckPythonSyntax.Tests) ... gcc -o ../bin/EfiRom -L/fast/build/ostro/x86/tmp-glibc/sysroots/x86_64-linux/usr/lib -L/fast/build/ostro/x86/tmp-glibc/sysroots/x86_64-linux/lib -Wl,-rpath-link,/fast/build/ostro/x86/tmp-glibc/sysroots/x86_64-linux/usr/lib -Wl,-rpath-link,/fast/build/ostro/x86/tmp-glibc/sysroots/x86_64-linux/lib -Wl,-rpath,/fast/build/ostro/x86/tmp-glibc/sysroots/x86_64-linux/usr/lib -Wl,-rpath,/fast/build/ostro/x86/tmp-glibc/sysroots/x86_64-linux/lib -Wl,-O1 EfiRom.o -L../libs -lCommon
| /usr/bin/ld: cannot find -lCommon
| collect2: error: ld returned 1 exit status

ERROR: Task (virtual:native:.../meta/recipes-core/ovmf/ovmf_git.bb:do_compile) failed with exit code '1'

[1] https://src.fedoraproject.org/cgit/rpms/edk2.git/tree/edk2.spec

(From OE-Core rev: be307609a067b7d23dc2cd8e39e3a35f770bebc7)

Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/meta/recipes-core/ovmf/ovmf_git.bb b/meta/recipes-core/ovmf/ovmf_git.bb
index 895ed6cfee..998902579f 100644
--- a/meta/recipes-core/ovmf/ovmf_git.bb
+++ b/meta/recipes-core/ovmf/ovmf_git.bb
@@ -14,7 +14,7 @@ SRCREV="4575a602ca6072ee9d04150b38bfb143cbff8588"
 
 inherit deploy
 
-PARALLEL_MAKE = ""
+PARALLEL_MAKE_class-native = ""
 
 S = "${WORKDIR}/git"
 
@@ -94,6 +94,7 @@ do_compile_class-native() {
 
 do_compile_class-target() {
     export LFLAGS="${LDFLAGS}"
+    PARALLEL_JOBS="${@ '${PARALLEL_MAKE}'.replace('-j', '-n')}"
     OVMF_ARCH="X64"
     if [ "${TARGET_ARCH}" != "x86_64" ] ; then
         OVMF_ARCH="IA32"
@@ -111,7 +112,7 @@ do_compile_class-target() {
     bbnote FIXED_GCCVER is ${FIXED_GCCVER}
     build_dir="${S}/Build/Ovmf$OVMF_DIR_SUFFIX/RELEASE_${FIXED_GCCVER}"
 
-    ${S}/OvmfPkg/build.sh -a $OVMF_ARCH -b RELEASE -t ${FIXED_GCCVER}
+    ${S}/OvmfPkg/build.sh $PARALLEL_JOBS -a $OVMF_ARCH -b RELEASE -t ${FIXED_GCCVER}
     ln ${build_dir}/FV/OVMF.fd ${WORKDIR}/ovmf/ovmf.fd
     ln ${build_dir}/FV/OVMF_CODE.fd ${WORKDIR}/ovmf/ovmf.code.fd
     ln ${build_dir}/FV/OVMF_VARS.fd ${WORKDIR}/ovmf/ovmf.vars.fd