new packages: gatling + libowfat

Requested in https://github.com/termux/termux-packages/issues/4386.

packages/gatling/GNUmakefile.patch

@@ -0,0 +1,35 @@
+diff -uNr gatling-0.13/GNUmakefile gatling-0.13.mod/GNUmakefile
+--- gatling-0.13/GNUmakefile	2012-04-19 19:42:36.000000000 +0300
++++ gatling-0.13.mod/GNUmakefile	2020-01-01 22:51:56.671981273 +0200
+@@ -6,7 +6,7 @@
+ man1dir=$(MANDIR)/man1
+ 
+ TARGETS=gatling httpbench bindbench dl ioerr bench tlsgatling_nofail \
+-pthreadbench cgi ptlsgatling_nofail
++pthreadbench cgi
+ TARGETS2=mktestdata mmapbench manymapbench forkbench forksbench
+ ALLTARGETS=$(TARGETS) acc hcat referrer hitprofile matchiprange getlinks \
+ rellink $(TARGETS2)
+@@ -16,8 +16,7 @@
+ CROSS=
+ #CROSS=i686-mingw32-
+ CC=$(CROSS)gcc
+-CFLAGS=-pipe -Wall
+-LDFLAGS=
++CFLAGS=-pipe -Wall $(CPPFLAGS)
+ 
+ #CFLAGS+=-DSTATE_DEBUG -DMOREDEBUG -DDEBUG_EVENTS -DSMDEBUG
+ 
+@@ -70,10 +69,10 @@
+ CC:=$(DIET) $(CC)
+ 
+ pthreadbench: pthreadbench.o
+-	$(CC) $< -o $@ -I. $(CFLAGS) $(LDFLAGS) $(LDLIBS) -lpthread
++	$(CC) $< -o $@ -I. $(CFLAGS) $(LDFLAGS) $(LDLIBS)
+ 
+ forksbench: forkbench.o
+-	$(CC) -static -o $@ forkbench.o $(LDFLAGS) $(LDLIBS)
++	$(CC) -o $@ forkbench.o $(LDFLAGS) $(LDLIBS)
+ 
+ gatling.o tlsgatling ptlsgatling: havesetresuid.h
+ 

packages/gatling/build.sh

@@ -0,0 +1,19 @@
+TERMUX_PKG_HOMEPAGE=http://www.fefe.de/gatling/
+TERMUX_PKG_DESCRIPTION="A high performance http, ftp and smb server"
+TERMUX_PKG_LICENSE="GPL-2.0"
+TERMUX_PKG_VERSION=0.13
+TERMUX_PKG_SRCURL=http://dl.fefe.de/gatling-$TERMUX_PKG_VERSION.tar.bz2
+TERMUX_PKG_SHA256=b42145fdf7b66602fa8bc64661c2762172f6d33dbd9d53efebf821cd81e89245
+TERMUX_PKG_DEPENDS="libcrypt, libiconv, openssl"
+TERMUX_PKG_BUILD_DEPENDS="libowfat"
+TERMUX_PKG_BUILD_IN_SRC=true
+
+termux_step_make() {
+	CPPFLAGS+=" -I$TERMUX_PREFIX/include/libowfat"
+	LDFLAGS+=" -lcrypt -lcrypto -liconv"
+	make -j $TERMUX_MAKE_PROCESSES CROSS="${CC/clang}"
+}
+
+termux_step_make_install() {
+	make install prefix=$TERMUX_PREFIX MANDIR=$TERMUX_PREFIX/share/man
+}

packages/libowfat/GNUmakefile.patch

@@ -0,0 +1,12 @@
+diff -uNr libowfat-0.32/GNUmakefile libowfat-0.32.mod/GNUmakefile
+--- libowfat-0.32/GNUmakefile	2018-08-24 15:00:46.000000000 +0300
++++ libowfat-0.32.mod/GNUmakefile	2020-01-01 22:30:42.166100328 +0200
+@@ -192,7 +192,7 @@
+   havesigio.h CAS.h
+ 
+ t: t.o libowfat.a libsocket
+-	$(DIET) $(CCC) -g -o $@ t.o libowfat.a `cat libsocket` -lpthread
++	$(DIET) $(CCC) -g -o $@ t.o libowfat.a `cat libsocket`
+ 
+ .PHONY: all clean tar install rename
+ clean:

packages/libowfat/build.sh

@@ -0,0 +1,17 @@
+TERMUX_PKG_HOMEPAGE=http://www.fefe.de/libowfat/
+TERMUX_PKG_DESCRIPTION="GPL reimplementation of libdjb"
+TERMUX_PKG_LICENSE="GPL-2.0"
+TERMUX_PKG_VERSION=0.32
+TERMUX_PKG_SRCURL=http://www.fefe.de/libowfat/libowfat-$TERMUX_PKG_VERSION.tar.xz
+TERMUX_PKG_SHA256=f4b9b3d9922dc25bc93adedf9e9ff8ddbebaf623f14c8e7a5f2301bfef7998c1
+TERMUX_PKG_BUILD_IN_SRC=true
+TERMUX_PKG_NO_STATICSPLIT=true
+
+termux_step_make() {
+	make -j $TERMUX_MAKE_PROCESSES CROSS="${CC/clang}"
+}
+
+termux_step_make_install() {
+	make install prefix=$TERMUX_PREFIX LIBDIR=$TERMUX_PREFIX/lib \
+		MAN3DIR=$TERMUX_PREFIX/share/man/man3
+}