net/swirc: enable libiconv

while here tweak the port so it prints the executed commands and picks
up our CFLAGS/CXXFLAGS.

initial diff and ok Markus Uhlin (MAINTAINER)

net/swirc/Makefile

@@ -1,5 +1,6 @@
 COMMENT =	curses icb and irc client
 DISTNAME =	swirc-3.3.5
+REVISION =	0
 CATEGORIES =	net
 HOMEPAGE =	https://www.nifty-networks.net/swirc/
 
@@ -9,16 +10,26 @@ MAINTAINER =		Markus Uhlin <markus.uhlin@bredband.net>
 PERMIT_PACKAGE =	Yes
 
 # uses pledge()
-WANTLIB =		${COMPILER_LIBCXX} c crypto curl curses idn intl m panel pthread ssl
+WANTLIB =		${COMPILER_LIBCXX} c crypto curl curses iconv idn intl \
+			m panel pthread ssl
 
 MASTER_SITES =		https://www.nifty-networks.net/swirc/releases/
 EXTRACT_SUFX =		.tgz
+
+# C++17
 COMPILER =		base-clang ports-gcc
+
 BUILD_DEPENDS =		devel/gettext,-tools
 LIB_DEPENDS =		devel/gettext,-runtime \
 			devel/libidn \
 			net/curl
+
+CFLAGS +=		-I${LOCALBASE}/include
+LDFLAGS +=		-L${LOCALBASE}/lib
+
 CONFIGURE_STYLE =	simple
+CONFIGURE_ENV +=	CFLAGS="${CFLAGS}" CXXFLAGS="${CXXFLAGS}" \
+			LDFLAGS="${LDFLAGS}"
 
 TEST_DEPENDS =		devel/cmocka
 TEST_TARGET =		check
@@ -28,4 +39,7 @@ MAKE_FLAGS =		DEST_CONFMAN=${WRKINST}${PREFIX}/man/man5 \
 			INSTALL_DEPS=swirc src/swirc.1 swirc.conf.5 \
 			PREFIX="${PREFIX}" CC="${CC}" CXX="${CXX}"
 
+# show the commands being executed
+MAKE_FLAGS +=		E=@true Q=''
+
 .include <bsd.port.mk>

net/swirc/patches/patch-posixshell_os_BSD_sh

@@ -0,0 +1,22 @@
+propagate cflags and neuter hardcoded optimizations
+
+Index: posixshell/os_BSD.sh
+--- posixshell/os_BSD.sh.orig
++++ posixshell/os_BSD.sh
+@@ -9,13 +9,11 @@ SHARED_FLAGS=-DBSD=1\\
+ 	-DUNIX=1\\
+ 	-D_XOPEN_SOURCE_EXTENDED=1\\
+ 	-I/usr/local/include\\
+-	-O2\\
+-	-Wall\\
+-	-pipe
++	-Wall
+ CC=cc
+-CFLAGS=\$(SHARED_FLAGS) -std=c17
++CFLAGS=\$(SHARED_FLAGS) -std=c17 ${CFLAGS}
+ CXX=c++
+-CXXFLAGS=\$(SHARED_FLAGS) -std=c++17
++CXXFLAGS=\$(SHARED_FLAGS) -std=c++17 ${CXXFLAGS}
+ LDFLAGS=-L/usr/local/lib
+ LDLIBS=-lcrypto\\
+ 	-lcurl\\