gprofng: run tests without installation

gprofng/ChangeLog
2022-10-10  Vladimir Mezentsev  <vladimir.mezentsev@oracle.com>

	PR gprofng/29107
	* testsuite/config/default.exp: Set up environment to run gprofng tests
	without installation.
	* testsuite/lib/Makefile.skel: Likewise.
	* testsuite/lib/display-lib.exp: Likewise.

gprofng/testsuite/config/default.exp

@@ -32,7 +32,9 @@ if {![info exists CFLAGS]} {
     set CFLAGS "-g -O2"
 }
 
-# Make a temporary install dir to run gprofng from, and point at it
-remote_exec host "sh -c \"rm -rf tmpdir; mkdir -p tmpdir; $MAKE -C .. install-gprofng program_transform_name= DESTDIR=`pwd`/tmpdir/root\""
+# Create directories where gprofng can find libraries and binaries:
+remote_exec host "sh -c \"rm -rf tmpdir; mkdir -p tmpdir\""
+remote_exec host "sh -c \"mkdir -p lib; rm -f lib/gprofng; ln -s ../libcollector/.libs lib/gprofng\""
+remote_exec host "sh -c \"rm -f bin; ln -s src bin\""
 
 load_lib display-lib.exp

gprofng/testsuite/lib/Makefile.skel

@@ -39,8 +39,7 @@ DISPLAY	    = $(GPROFNG) display text
 EXPERIMENT  = test.er
 DISPLAY_LOG = display.log
 
-gprofng_dir := $(shell dirname $$(find ../root -name libgprofng.so.0 | head -1))
-export LD_LIBRARY_PATH := $(gprofng_dir):$(gprofng_dir)/..
+export LD_LIBRARY_PATH := $(BUILDDIR)/src
 
 # Set GPROFNG_SYSCONFDIR to find out gprofng.rc:
 export GPROFNG_SYSCONFDIR := $(srcdir)/../../../src

gprofng/testsuite/lib/display-lib.exp

@@ -58,7 +58,7 @@ proc run_display_test { dir cflags gprofflags } {
     set tdir "tmpdir/$testdir"
 	send_log "create dir: $tdir\n"
 	set output [run_native_host_cmd "mkdir -p $tdir"]
-	set gprofng [exec find $BUILDDIR/tmpdir -type f -name gprofng -perm -u+x | head -1]
+	set gprofng $BUILDDIR/src/gprofng
 
 	set fd [open "$tdir/rules.txt" "w"]
 	switch -regexp -- $testdir {