clang-gcc-wrapper: allow to set custom regexp of CFLAGS to remove

clang-gcc-wrapper.sh

@@ -1,27 +1,29 @@
 #!/bin/sh
 # Author: mikhailnov
-# Clean flags that clang does not know to fix building QtWebEngine with clang
+# Remove flags that clang does not know but which cannot be removed properly
+# https://bugzilla.rosalinux.ru/show_bug.cgi?id=9567
 
 echo_err() {
 	echo "$@" 1>&2
 }
 
+# You may define a custom regexp to remove
+REMOVE_CFLAGS="${REMOVE_CFLAGS:-"-fvar-tracking-assignments|-frecord-gcc-switches"}"
+
 # _CLANG_ must be changed to /usr/bin/clang++ and then to /usr/bin/clang in another copy of this wrapper
-if echo "$@" | grep -qE 'fvar-tracking-assignments|frecord-gcc-switches'
+if echo "$@" | grep -qE -- "${REMOVE_CFLAGS}"
 	then
 		echo_err "DEBUG: clang-wrapper: arguements will be cut-out!"
 		echo_err "DEBUG: arguements were: "
 		echo_err "========================="
 		echo_err "$@"
 		echo_err "========================="
-		new_args="$(echo "$@" | sed -e 's/-fvar-tracking-assignments//g' -e 's/-frecord-gcc-switches//g')"
-		echo_err "DEBUG: new arguements are with and without expansion: "
+		new_args="$(echo "$@" | sed -r -e "s,${REMOVE_CFLAGS},,g")"
+		echo_err "DEBUG: new arguements are: "
 		echo_err "========================="
 		echo_err ${new_args}
-		echo_err "========================="
-		echo_err "${new_args}"
 		# https://stackoverflow.com/a/37141139 (??)
-		_CLANG_ ${new_args} || _CLANG_ "${new_args}"
+		_CLANG_ ${new_args}
 	else
 		_CLANG_ "$@"
 fi

llvm.spec

@@ -29,7 +29,7 @@
 Summary:	Low Level Virtual Machine (LLVM)
 Name:		llvm
 Version:	%{major_ver}.%{minor_ver}
-Release:	1
+Release:	2
 License:	NCSA
 Group:		Development/Other
 Url:		http://llvm.org