Removed bash-specific redirect to make require compatible with Raspbian

configure/E3/CONFIG_E3_MAKEFILE

@@ -12,7 +12,7 @@ E3_REQUIRE_MAKEFILE_INPUT_OPTIONS += EPICS_MODULES="$(E3_MODULES_PATH)"
 E3_REQUIRE_MAKEFILE_INPUT_OPTIONS += EPICS_LOCATION="$(EPICS_BASE)"
 E3_REQUIRE_MAKEFILE_INPUT_OPTIONS += BUILDCLASSES="Linux"
 
-ifeq ($(shell git status &> /dev/null; echo $?),0)
+ifeq ($(shell git status > /dev/null 2>&1 ; echo $?),0)
 E3_REQUIRE_MAKEFILE_INPUT_OPTIONS += $(E3_MODULE_NAME)_E3_GIT_DESC="$(shell git describe --tags 2> /dev/null || git rev-parse HEAD 2> /dev/null || echo 'Not a git repository')"
 E3_REQUIRE_MAKEFILE_INPUT_OPTIONS += $(E3_MODULE_NAME)_E3_GIT_STATUS="[ $(shell git status --porcelain | sed 's/^/\\\\\\\"/' | sed 's/$$/\\\\\\\", /')]"
 E3_REQUIRE_MAKEFILE_INPUT_OPTIONS += $(E3_MODULE_NAME)_E3_GIT_URL="$(shell git remote get-url origin 2> /dev/null || echo '')"

configure/modules/CONFIG_E3_MAKEFILE

@@ -12,7 +12,7 @@ E3_REQUIRE_MAKEFILE_INPUT_OPTIONS += E3_SITEMODS_PATH="$(E3_SITEMODS_PATH)"
 E3_REQUIRE_MAKEFILE_INPUT_OPTIONS += E3_SITEAPPS_PATH="$(E3_SITEAPPS_PATH)"
 E3_REQUIRE_MAKEFILE_INPUT_OPTIONS += E3_SITELIBS_PATH="$(E3_SITELIBS_PATH)"
 
-ifeq ($(shell git status &> /dev/null; echo $$?),0)
+ifeq ($(shell git status > /dev/null 2>&1; echo $$?),0)
 GIT_REMOTE_NAME := $(shell git remote | head -n 1)
 
 E3_REQUIRE_MAKEFILE_INPUT_OPTIONS += $(E3_MODULE_NAME)_E3_GIT_DESC="$(shell git describe --tags 2> /dev/null || git rev-parse HEAD 2> /dev/null || echo 'Not a git repository')"

configure/modules/RULES_E3

@@ -73,7 +73,7 @@ conf: module_name_check
 
 ## We should check that the module name satisfies a few conditions before we go on.
 module_name_check:
-ifneq ($(shell echo $(E3_MODULE_NAME) | grep '^[a-z_][a-z0-9_]\+$$' &> /dev/null; echo $$?),0)
+ifneq ($(shell echo $(E3_MODULE_NAME) | grep '^[a-z_][a-z0-9_]\+$$' > /dev/null 2>&1; echo $$?),0)
 	$(error E3_MODULE_NAME '$(E3_MODULE_NAME)' is not valid. It should consist only of lowercase letters, numbers, and underscores.)
 endif