Discover a POSIX shell for Solaris

Under Solaris, use ksh instead of `/bin/sh`.

This uses `$SHELL` as a POSIX shell, coupled with a `configure` check
that sets it correctly.

Note that the POSIX shell might end up being bash, so this actually
introduces more fragmentation than it reduces.

Taken from https://github.com/freedreno/mesa/blob/master/configure.ac

4 files changed, 4 insertions, 4 deletions

diff --git a/bin/lsrc b/bin/lsrc.in
index 9055eec..1402fec 100755
--- a/bin/lsrc
+++ b/bin/lsrc.in
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!@SHELL@
 
 : ${RCM_LIB:=$(dirname "$0")/../share/rcm}
 . "$RCM_LIB/rcm.sh"
diff --git a/bin/mkrc b/bin/mkrc.in
index 3d9b749..398996a 100755
--- a/bin/mkrc
+++ b/bin/mkrc.in
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!@SHELL@
 
 : ${RCM_LIB:=$(dirname "$0")/../share/rcm}
 . "$RCM_LIB/rcm.sh"
diff --git a/bin/rcdn b/bin/rcdn.in
index 2caa340..2ca6dae 100755
--- a/bin/rcdn
+++ b/bin/rcdn.in
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!@SHELL@
 
 : ${RCM_LIB:=$(dirname "$0")/../share/rcm}
 . "$RCM_LIB/rcm.sh"
diff --git a/bin/rcup b/bin/rcup.in
index b45157b..849a0f7 100755
--- a/bin/rcup
+++ b/bin/rcup.in
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!@SHELL@
 
 : ${RCM_LIB:=$(dirname "$0")/../share/rcm}
 . "$RCM_LIB/rcm.sh"