git: 7e3a794be375 - main - nanobsd: default to -j $hw.ncpu

[Warner Losh]

The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=7e3a794be3752d21fe760cfb2a38665532c4b6b4

commit 7e3a794be3752d21fe760cfb2a38665532c4b6b4
Author:     Warner Losh <imp at FreeBSD.org>
AuthorDate: 2021-07-15 22:07:51 +0000
Commit:     Warner Losh <imp at FreeBSD.org>
CommitDate: 2021-07-15 22:15:01 +0000

    nanobsd: default to -j $hw.ncpu
    
    For paralllel builds, default to using all the CPUs on the system. The
    old default of -j 3 was too few.
    
    Sponsored by:           Netflix
---
 tools/tools/nanobsd/defaults.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/tools/nanobsd/defaults.sh b/tools/tools/nanobsd/defaults.sh
index 7bc74c42170e..77c0e216ec80 100755
--- a/tools/tools/nanobsd/defaults.sh
+++ b/tools/tools/nanobsd/defaults.sh
@@ -67,7 +67,8 @@ NANO_PKG_META_BASE=/var/db
 
 # Make & parallel Make
 NANO_MAKE="make"
-NANO_PMAKE="make -j 3"
+NANO_NCPU=$(sysctl -n hw.ncpu)
+NANO_PMAKE="make -j $NANO_NCPU"
 
 # The default name for any image we create.
 NANO_IMGNAME="_.disk.full"
@@ -920,6 +921,7 @@ set_defaults_and_export ( ) {
 	export_var NANO_MAKE_CONF_INSTALL
 	export_var NANO_MEDIASIZE
 	export_var NANO_NAME
+	export_var NANO_NCPU
 	export_var NANO_NEWFS
 	export_var NANO_OBJ
 	export_var NANO_PMAKE