X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/6fa4daccf8676188291b42c143f34f4ab72ff066..29e6e3b9ec4c49efe5983d0e681f1e4bbffa8f98:/runtests.SH?ds=inline

diff --git a/runtests.SH b/runtests.SH
old mode 100644
new mode 100755
index bab27e9..71f41d1
--- a/runtests.SH
+++ b/runtests.SH
@@ -1,3 +1,5 @@
+#!/bin/sh
+
 case $PERL_CONFIG_SH in
 '')
     if test ! -f config.sh; then
@@ -14,21 +16,41 @@ case "$0" in
 esac
 echo "Extracting runtests (with variable substitutions)"
 rm -f runtests
+
 $spitshell >runtests <<!GROK!THIS!
 $startsh -e
 # runtests.SH
 # 
+!GROK!THIS!
+
+## In the following, dollars and backticks do not need the extra backslash.
+$spitshell >>runtests <<'!NO!SUBS!'
+
+export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0; kill $$)
+
+# Avoid "warning: jobserver unavailable: using -j1." warnings under GNU make.
+# When gmake -j N spawns a child, it passes
+#    MAKEFLAGS=" --jobserver-fds=3,4 -j".
+# in the environment.  Also, if make recognises that the child is another
+# make (e.g. it's invoked as $(MAKE) or +command), it keeps open fd's 3
+# and 4 to allow the child process to access the job server. Otherwise,
+# those fd's aren't kept open.
+# In the case where one does 'make -j 16 test_harness', this script is
+# called with MAKEFLAGS set, but fd's 3 and 4 closed. Later when
+# descendents of this script run cpan/ExtUtils-Constant/t/Constant.t
+# which itelf invokes make, the warnings ensue.
 
-export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh \$0; kill \$\$)
+unset MAKEFLAGS
 
-case \$# in
+
+case $# in
     0)
 	echo "runtests tty_flag ..."
 	exit 1
 	;;
 esac
 
-case \$1 in
+case $1 in
     tty)
 	tty=Y
 	;;
@@ -48,23 +70,31 @@ case \$1 in
 	;;
 esac
 
-if test X"\$TESTFILE" = X; then
+if test X"$TESTFILE" = X; then
     TESTFILE=TEST
 fi
 
-if test X"\$PERL" = X; then
-    PERL=./perl$_exe
-    export PERL
-fi
-
 cd t
 
+# If this is run under an old shell that doesn't automatically 
+# update PWD, then we must update it.  Otherwise, t/io/fs.t gets 
+# mixed up about what directory we are in.
+case "$PWD" in
+    '')  ;; # Do nothing if it isn't set at all.
+    */t) ;; # Leave it alone if it's properly updated.
+    *) PWD=${PWD}/t; export PWD ;;  # Otherwise, fix it.
+esac
+
+!NO!SUBS!
+
+## In the following, dollars and backticks do need the extra backslash.
+$spitshell >>runtests <<!GROK!THIS!
 # The second branch is for testing without a tty or controlling terminal,
 # see t/op/stat.t
 if test \$tty = Y; then
-    \$PERL \$TESTFILE \$TEST_ARGS \$TEST_FILES </dev/tty
+    ./perl$_exe \$TESTFILE \$TEST_ARGS \$TEST_FILES </dev/tty
 else
-    PERL_SKIP_TTY_TEST=1 \$PERL \$TESTFILE \$TEST_ARGS \$TEST_FILES
+    PERL_SKIP_TTY_TEST=1 ./perl$_exe \$TESTFILE \$TEST_ARGS \$TEST_FILES
 fi
 
 echo "Ran tests" > rantests