[coreboot-gerrit] Change in coreboot[master]: libpayload/lpgcc: Turn references to build dir into a variable

[Nico Huber (Code Review)]

Nico Huber has submitted this change. ( https://review.coreboot.org/c/coreboot/+/47629 )

Change subject: libpayload/lpgcc: Turn references to build dir into a variable
......................................................................

libpayload/lpgcc: Turn references to build dir into a variable

Introduce a `$_OBJ` variable, that points to the build directory for
in-tree usage of `lpgcc`. If unset, the default `../build` relative
to the location of `lpgcc` is used.

Change-Id: I35112d7533d69aa51252dd2bceec010a62522403
Signed-off-by: Nico Huber 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47629
Reviewed-by: Raul Rangel 
Tested-by: build bot (Jenkins) 
---
M payloads/libpayload/bin/lp.functions
M payloads/libpayload/bin/lpgcc
2 files changed, 9 insertions(+), 5 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Raul Rangel: Looks good to me, approved

diff --git a/payloads/libpayload/bin/lp.functions b/payloads/libpayload/bin/lp.functions
index 3911c42..8d784eb 100644
--- a/payloads/libpayload/bin/lp.functions
+++ b/payloads/libpayload/bin/lp.functions
@@ -35,6 +35,10 @@
    echo "Warning: $1"
 }

+# For in-tree builds, allow to override the libpayload build dir.
+
+_OBJ=${_OBJ:-$BASE/../build}
+
 # If the user didn't specify LIBPAYLOAD_PREFIX, then preload it
 # with the default prefix value

@@ -48,8 +52,8 @@

if [ -f $BASE/../lib/libpayload.a ]; then
    _LIBDIR=$BASE/../lib
-elif [ -f $BASE/../build/libpayload.a ]; then
-	_LIBDIR=$BASE/../build
+elif [ -f $_OBJ/libpayload.a ]; then
+	_LIBDIR=$_OBJ
 else
    _LIBDIR=$LIBPAYLOAD_PREFIX/lib
 fi
diff --git a/payloads/libpayload/bin/lpgcc b/payloads/libpayload/bin/lpgcc
index aa09c1d..1e63d05 100755
--- a/payloads/libpayload/bin/lpgcc
+++ b/payloads/libpayload/bin/lpgcc
@@ -137,7 +137,7 @@
    shift
 done

-_CFLAGS="$_ARCHEXTRA -nostdinc -nostdlib -I$BASE/../build -I$_INCDIR -I$_ARCHINCDIR -D__LIBPAYLOAD__=1"
+_CFLAGS="$_ARCHEXTRA -nostdinc -nostdlib -I$_OBJ -I$_INCDIR -I$_ARCHINCDIR -D__LIBPAYLOAD__=1"

if [ "$CONFIG_LP_PDCURSES" = y ]; then
   _CFLAGS="$_CFLAGS -I$BASE/../curses/PDCurses"
@@ -167,8 +167,8 @@
     _LIBGCC=`$DEFAULT_CC $_ARCHEXTRA -print-libgcc-file-name`
     if [ -f $_ARCHLIBDIR/head.o ]; then
        HEAD_O=$_ARCHLIBDIR/head.o
-    elif [ -f $BASE/../build/head.o ]; then
-	    HEAD_O=$BASE/../build/head.o
+    elif [ -f $_OBJ/head.o ]; then
+	    HEAD_O=$_OBJ/head.o
     else
        echo "Could not find head.o"
        exit 1