Index: build/fake-bin/uname
==================================================================
--- build/fake-bin/uname
+++ build/fake-bin/uname
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ "$1" == "--fake" ]; then
 	echo "true"
 
 	exit 0

Index: build/make-kit-crosscompile
==================================================================
--- build/make-kit-crosscompile
+++ build/make-kit-crosscompile
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ -z "${CROSS}" ]; then
 	echo 'Error: Environment variable CROSS is empty/unset.  Aborting.' >&2
 
 	exit 1

Index: build/pre.sh
==================================================================
--- build/pre.sh
+++ build/pre.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 ./kitcreator distclean >/dev/null 2>/dev/null
 
 KITSHROOTDIR="$(ls -1d kitsh/buildsrc/kitsh-*/)"
 export KITSHROOTDIR

Index: common/post/sdk.sh
==================================================================
--- common/post/sdk.sh
+++ common/post/sdk.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ -z "${TCLVERS}" ]; then
 	echo 'This script is not meant to be run directly.' >&2
 
 	exit 1

Index: itcl/build.sh
==================================================================
--- itcl/build.sh
+++ itcl/build.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ ! -f 'build.sh' ]; then
 	echo 'ERROR: This script must be run from the directory it is in' >&2
 
 	exit 1

Index: kitcreator
==================================================================
--- kitcreator
+++ kitcreator
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 TCLVERS="8.4.19"
 if echo "$1" | grep '^[0-9][0-9]*\.' >/dev/null || echo "$1" | egrep '^(cvs|fossil)_' >/dev/null; then
 	TCLVERS="$1"
 

Index: kitsh/build.sh
==================================================================
--- kitsh/build.sh
+++ kitsh/build.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ ! -f 'build.sh' ]; then
 	echo 'ERROR: This script must be run from the directory it is in' >&2
 
 	exit 1

Index: mk4tcl/build.sh
==================================================================
--- mk4tcl/build.sh
+++ mk4tcl/build.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ ! -f 'build.sh' ]; then
 	echo 'ERROR: This script must be run from the directory it is in' >&2
 
 	exit 1

Index: tcl/build.sh
==================================================================
--- tcl/build.sh
+++ tcl/build.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ ! -f 'build.sh' ]; then
 	echo 'ERROR: This script must be run from the directory it is in' >&2
 
 	exit 1

Index: tcl/patchscripts/fixfixstrtod.sh
==================================================================
--- tcl/patchscripts/fixfixstrtod.sh
+++ tcl/patchscripts/fixfixstrtod.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 echo '#undef strtod' > 'compat/strtod.c.new'
 cat 'compat/strtod.c' >> 'compat/strtod.c.new'
 cat 'compat/strtod.c.new' > 'compat/strtod.c'
 rm -f 'compat/strtod.c.new'

Index: tcl/patchscripts/macosx-fixheaders.sh
==================================================================
--- tcl/patchscripts/macosx-fixheaders.sh
+++ tcl/patchscripts/macosx-fixheaders.sh
@@ -1,5 +1,5 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 cp unix/*.h unix/install-sh macosx/
 
 exit 0

Index: tcl/patchscripts/minbuild-nopkgs.sh
==================================================================
--- tcl/patchscripts/minbuild-nopkgs.sh
+++ tcl/patchscripts/minbuild-nopkgs.sh
@@ -1,5 +1,5 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ -n "${KITCREATOR_MINBUILD}" ]; then
 	rm -rf 'pkgs'
 fi

Index: tcl/patchscripts/visibility-unhidden.sh
==================================================================
--- tcl/patchscripts/visibility-unhidden.sh
+++ tcl/patchscripts/visibility-unhidden.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ "${KITTARGET}" != "kitdll" ]; then
 	exit 0
 fi
 

Index: tcl/patchscripts/win32-dllmain.sh
==================================================================
--- tcl/patchscripts/win32-dllmain.sh
+++ tcl/patchscripts/win32-dllmain.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ "${KITTARGET}" != "kitdll" ]; then
 	exit 0
 fi
 

Index: tclvfs/build.sh
==================================================================
--- tclvfs/build.sh
+++ tclvfs/build.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ ! -f 'build.sh' ]; then
 	echo 'ERROR: This script must be run from the directory it is in' >&2
 
 	exit 1

Index: thread/build.sh
==================================================================
--- thread/build.sh
+++ thread/build.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ ! -f 'build.sh' ]; then
 	echo 'ERROR: This script must be run from the directory it is in' >&2
 
 	exit 1

Index: tk/build.sh
==================================================================
--- tk/build.sh
+++ tk/build.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ ! -f 'build.sh' ]; then
 	echo 'ERROR: This script must be run from the directory it is in' >&2
 
 	exit 1

Index: tk/patchscripts/macosx-fixheaders.sh
==================================================================
--- tk/patchscripts/macosx-fixheaders.sh
+++ tk/patchscripts/macosx-fixheaders.sh
@@ -1,5 +1,5 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 cp unix/*.h unix/install-sh macosx/
 
 exit 0

Index: tk/patchscripts/visibility-unhidden.sh
==================================================================
--- tk/patchscripts/visibility-unhidden.sh
+++ tk/patchscripts/visibility-unhidden.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ "${KITTARGET}" != "kitdll" ]; then
 	exit 0
 fi
 

Index: zlib/build.sh
==================================================================
--- zlib/build.sh
+++ zlib/build.sh
@@ -1,6 +1,6 @@
-#! /bin/bash
+#! /usr/bin/env bash
 
 if [ ! -f 'build.sh' ]; then
 	echo 'ERROR: This script must be run from the directory it is in' >&2
 
 	exit 1