Ports: Fix building the dash port

Ports/dash/package.sh

@@ -5,3 +5,28 @@ useconfigure=true
 files="http://gondor.apana.org.au/~herbert/dash/files/dash-${version}.tar.gz dash-${version}.tar.gz
 http://gondor.apana.org.au/~herbert/dash/files/dash-${version}.tar.gz.sha256sum dash-${version}.tar.gz.sha256sum"
 auth_type="sha256"
+
+configure() {
+	host_env
+	run autoupdate
+	run autoconf
+	run aclocal
+	run automake --add-missing
+	run mkdir -p host-build
+	run sh -c "cd host-build && ../configure $configopts CFLAGS=-I."
+	target_env
+	run mkdir -p target-build
+	run sh -c "cd target-build && ../configure --host="${SERENITY_ARCH}-pc-serenity" --disable-helpers $configopts CFLAGS=-I."
+}
+
+build() {
+	host_env
+	run sh -c "cd host-build && make $makeopts"
+	run cp host-build/src/{mkinit,mksyntax,mknodes,mksignames} src
+	target_env
+	run sh -c "cd target-build && make $makeopts"
+}
+
+install() {
+    run sh -c "cd target-build && make DESTDIR="${SERENITY_BUILD_DIR}/Root" $installopts install"
+}

Ports/dash/patches/fix-system.patch

@@ -1,79 +0,0 @@
---- dash-0.5.10.2/src/system.c.orig	Sun May 10 01:45:02 2020
-+++ dash-0.5.10.2/src/system.c	Sun May 10 01:50:52 2020
-@@ -131,64 +131,64 @@
- 
- #ifndef HAVE_ISALPHA
- int isalnum(int c) {
--	return _isalnum(c);
-+	return (_ctype_[(int)(c)] & (_U | _L | _N));
- }
- 
- 
- int iscntrl(int c) {
--	return _iscntrl(c);
-+	return (_ctype_[(int)(c)] & (_C));
- }
- 
- 
- int islower(int c) {
--	return _islower(c);
-+	return ((_ctype_[(int)(c)] & (_U | _L)) == _L);
- }
- 
- 
- int isspace(int c) {
--	return _isspace(c);
-+	return (_ctype_[(int)(c)] & (_S));
- }
- 
- 
- int isalpha(int c) {
--	return _isalpha(c);
-+	return (_ctype_[(int)(c)] & (_U | _L));
- }
- 
- 
- int isdigit(int c) {
--	return _isdigit(c);
-+	return (_ctype_[(int)(c)] & (_N));
- }
- 
- 
- int isprint(int c) {
--	return _isprint(c);
-+	return (_ctype_[(int)(c)] & (_P | _U | _L | _N | _B));
- }
- 
- 
- int isupper(int c) {
--	return _isupper(c);
-+	return ((_ctype_[(int)(c)] & (_U | _L)) == _U);
- }
- 
- 
- #if HAVE_DECL_ISBLANK
- int isblank(int c) {
--	return _isblank(c);
-+	return (c == ' ' || c == '\t');
- }
- #endif
- 
- 
- int isgraph(int c) {
--	return _isgraph(c);
-+	return (_ctype_[(int)(c)] & (_P | _U | _L | _N));
- }
- 
- 
- int ispunct(int c) {
--	return _ispunct(c);
-+	return (_ctype_[(int)(c)] & (_P));
- }
- 
- 
- int isxdigit(int c) {
--	return _isxdigit(c);
-+	return (_ctype_[(int)(c)] & (_N | _X));
- }
- #endif
- 

Ports/dash/patches/optional-helpers.patch

@@ -0,0 +1,25 @@
+diff -Naur dash-0.5.10.2/configure.ac dash-0.5.10.2.serenity/configure.ac
+--- dash-0.5.10.2/configure.ac	2021-04-12 09:02:46.066529775 +0200
++++ dash-0.5.10.2.serenity/configure.ac	2021-04-12 09:01:46.232094315 +0200
+@@ -181,5 +181,8 @@
+ if test "$enable_lineno" != "no"; then
+ 	AC_DEFINE([WITH_LINENO], 1, [Define if you build with -DWITH_LINENO])
+ fi
++AC_ARG_ENABLE(helpers, AS_HELP_STRING(--enable-helpers, \
++				     [Build helpers]))
++AM_CONDITIONAL([BUILD_HELPERS], [test x$enable_helpers = xyes])
+ AC_CONFIG_FILES([Makefile src/Makefile])
+ AC_OUTPUT
+diff -Naur dash-0.5.10.2/src/Makefile.am dash-0.5.10.2.serenity/src/Makefile.am
+--- dash-0.5.10.2/src/Makefile.am	2021-04-12 09:14:04.178912517 +0200
++++ dash-0.5.10.2.serenity/src/Makefile.am	2021-04-12 09:13:28.768298013 +0200
+@@ -66,7 +66,9 @@
+ signames.c: mksignames
+ 	./$^
+ 
++if BUILD_HELPERS
+ mksyntax: token.h
+ 
+ $(HELPERS): %: %.c
+ 	$(COMPILE_FOR_BUILD) -o $@ $<
++endif