cscope: Add package (#1035)

packages/cscope/build.sh

@@ -0,0 +1,7 @@
+TERMUX_PKG_HOMEPAGE=http://cscope.sourceforge.net/
+TERMUX_PKG_DESCRIPTION="A developers tool for browsing program code"
+TERMUX_PKG_VERSION=15.8b
+TERMUX_PKG_SRCURL=https://downloads.sourceforge.net/project/cscope/cscope/${TERMUX_PKG_VERSION}/cscope-${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_SHA256=4889d091f05aa0845384b1e4965aa31d2b20911fb2c001b2cdcffbcb7212d3af
+TERMUX_PKG_DEPENDS="ncurses"
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--with-ncurses=$TERMUX_PREFIX"

packages/cscope/errno.patch

@@ -0,0 +1,14 @@
+--- src/src/snprintf.c	2009-04-10 13:39:23.000000000 +0000
++++ patches/snprintf.c	2017-05-19 07:45:08.926751318 +0000
+@@ -522,7 +522,11 @@
+ static UINTMAX_T myround(LDOUBLE);
+ static LDOUBLE mypow10(int);
+ 
++#ifdef __ANDROID__
++extern volatile int errno;
++#else
+ extern int errno;
++#endif
+ 
+ int
+ rpl_vsnprintf(char *str, size_t size, const char *format, va_list args)