Move gen_stub.php to build directory and install it so phpize can take care of it, and thus extension can use it as it is already in Makefile

.gitignore

@@ -80,8 +80,8 @@ include/
 libs/
 modules/
 
-# Used by scripts/dev/gen_stub.php
-scripts/dev/PHP-Parser-*
+# Used by build/gen_stub.php
+build/PHP-Parser-*
 
 # ------------------------------------------------------------------------------
 # Configuration headers generated by the PHP build system

build/Makefile.global

@@ -144,12 +144,12 @@ prof-use:
 
 # olny php above 7.1.0 supports nullable return type
 %_arginfo.h: %.stub.php
-	@if test -e "$(top_srcdir)/scripts/dev/gen_stub.php"; then \
+	@if test -e "$(top_srcdir)/build/gen_stub.php"; then \
 		if test ! -z "$(PHP_EXECUTABLE)" && test -x "$(PHP_EXECUTABLE)"; then \
-			$(PHP_EXECUTABLE) $(top_srcdir)/scripts/dev/gen_stub.php $<; \
+			$(PHP_EXECUTABLE) $(top_srcdir)/build/gen_stub.php $<; \
 		elif type php >/dev/null 2>/dev/null; then \
 			if test `php -v | head -n1 | cut -d" " -f 2 | sed "s/$$/\n7.0.99/" | sort -rV | head -n1` != "7.0.99"; then \
-				php $(top_srcdir)/scripts/dev/gen_stub.php $<; \
+				php $(top_srcdir)/build/gen_stub.php $<; \
 			fi; \
 		fi; \
 	fi;

scripts/Makefile.frag

@@ -15,6 +15,7 @@ BUILD_FILES = \
 	build/pkg.m4 \
 	build/Makefile.global \
 	build/php.m4 \
+	build/gen_stub.php \
 	run-tests.php
 
 BUILD_FILES_EXEC = \

scripts/phpize.in

@@ -9,7 +9,8 @@ includedir="`eval echo @includedir@`/php"
 builddir="`pwd`"
 SED="@SED@"
 
-FILES_BUILD="php.m4 shtool libtool.m4 ax_check_compile_flag.m4 ax_gcc_func_attribute.m4 php_cxx_compile_stdcxx.m4 pkg.m4 config.guess config.sub ltmain.sh Makefile.global"
+FILES_BUILD="php.m4 shtool libtool.m4 ax_check_compile_flag.m4 ax_gcc_func_attribute.m4 php_cxx_compile_stdcxx.m4 pkg.m4 \
+    config.guess config.sub ltmain.sh Makefile.global gen_stub.php"
 FILES="run-tests*.php"
 CLEAN_FILES="$FILES *.o *.lo *.la .libs/ build/ modules/ \
 	config.nice configure configure.ac \