add patch to successfuly compile it on arch

.SRCINFO

@@ -7,7 +7,9 @@ pkgbase = scriptbasic
 	license = unknown
 	depends = postgresql-libs
 	source = http://www.scriptbasic.org/download/SB_2.1_RC1_Linux.tar.gz
+	source = scriptbasic_arch.patch
 	md5sums = 374a37fff435d26c08cfe2ed8d694a8e
+	md5sums = f026797fd8e695a797e1eee2f04e264a
 
 pkgname = scriptbasic
 

PKGBUILD

@@ -18,15 +18,17 @@ backup=()
 options=()
 install=
 changelog=
-source=("http://www.scriptbasic.org/download/SB_${pkgver}_Linux.tar.gz")
+source=("http://www.scriptbasic.org/download/SB_${pkgver}_Linux.tar.gz"
+        "scriptbasic_arch.patch")
 noextract=()
-md5sums=('374a37fff435d26c08cfe2ed8d694a8e')
+md5sums=('374a37fff435d26c08cfe2ed8d694a8e'
+         'f026797fd8e695a797e1eee2f04e264a')
 validpgpkeys=()
 
-#prepare() {
-#	cd "$pkgname-$pkgver"
-#	patch -p1 -i "$srcdir/$pkgname-$pkgver.patch"
-#}
+prepare() {
+	cd "scriptbasic"
+        patch -p1 -i "scriptbasic_arch.patch"
+}
 
 #build() {
 #	cd "$pkgname-$pkgver"

scriptbasic_arch.patch

@@ -0,0 +1,24 @@
+diff -Nur scriptbasic/extensions/bdb/interface.c scriptbasic_PATCHED/extensions/bdb/interface.c
+--- scriptbasic/extensions/bdb/interface.c	2009-09-12 22:37:24.000000000 +0200
++++ scriptbasic_PATCHED/extensions/bdb/interface.c	2017-02-13 19:58:19.427041356 +0100
+@@ -157,7 +157,7 @@
+   if( s=besCONFIG("bdb.limits.lg_max") )p->dbenv->set_lg_max(p->dbenv,atol(s));
+ #endif
+   X("bdb.limits.mp_mmapsize",mp_mmapsize)
+-  X("bdb.limits.mp_size"    ,mp_size)
++  X("bdb.limits.mp_size"    ,mp_bytes)
+   X("bdb.limits.tx_max"     ,tx_max)
+   X("bdb.limits.lk_max"     ,lk_max)
+ 
+diff -Nur scriptbasic/extensions/psql/interface.c scriptbasic_PATCHED/extensions/psql/interface.c
+--- scriptbasic/extensions/psql/interface.c	2009-09-12 22:37:24.000000000 +0200
++++ scriptbasic_PATCHED/extensions/psql/interface.c	2017-02-13 19:57:33.740674239 +0100
+@@ -24,7 +24,7 @@
+ #define PTS_MODULE "pgsqlinterf.c"
+ 
+ /* vvv Debian GNU/Linux: /usr/include/postgresql/libpq-fe.h */
+-#include <postgresql/libpq-fe.h>
++#include <libpq-fe.h>
+ #include "../../basext.h"
+ #include <stdio.h> /* simple debugging */
+ #include <string.h> /* memcmp() */