[OE-core] [PATCH 5/9] ovmf_git.bb: enable parallel compilation

[Patrick Ohly]

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

Signed-off-by: Patrick Ohly <patrick.ohly at intel.com>
---
 meta/recipes-core/ovmf/ovmf_git.bb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/meta/recipes-core/ovmf/ovmf_git.bb b/meta/recipes-core/ovmf/ovmf_git.bb
index d0441d1..67e65b8 100644
--- a/meta/recipes-core/ovmf/ovmf_git.bb
+++ b/meta/recipes-core/ovmf/ovmf_git.bb
@@ -12,7 +12,7 @@ SRC_URI = "git://github.com/tianocore/edk2.git;branch=master \
 
 SRCREV="4575a602ca6072ee9d04150b38bfb143cbff8588"
 
-PARALLEL_MAKE = ""
+PARALLEL_MAKE_class-native = ""
 
 S = "${WORKDIR}/git"
 
@@ -92,6 +92,7 @@ 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"
@@ -109,7 +110,7 @@ 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
 }
 
-- 
2.1.4