Use bash for default GNU Make shell application
Some Make script commands rely on bash-specific features like brace
expansion, so default to bash for the SHELL variable with a fallback
to the standard sh shell
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/Makefile b/Makefile
index 11fc3b7..913fd16 100644
--- a/Makefile
+++ b/Makefile
@@ -45,7 +45,12 @@
HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
sed -e 's/\(cygwin\).*/cygwin/')
-export HOSTARCH HOSTOS
+# Set shell to bash if possible, otherwise fall back to sh
+SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
+ else if [ -x /bin/bash ]; then echo /bin/bash; \
+ else echo sh; fi; fi)
+
+export HOSTARCH HOSTOS SHELL
# Deal with colliding definitions from tcsh etc.
VENDOR=