nmap: added optional dependencies: cairo gobject-introspection python3-build

nmap/.signature

@@ -1,5 +1,5 @@
 untrusted comment: verify with /etc/ports/contrib.pub
-RWSagIOpLGJF37tggFZru1KMfUFiSWbd8xGDAiP98sOm5iFOCDFV+amjdSsSdtFMw9+b8iUOezSwkZpd4mJlHPZUmLYJG5RUsAA=
-SHA256 (Pkgfile) = 233e0b63a8a718fcb31d03e6d340ed161adb9bbd0db13c036160a3a482e2a34e
+RWSagIOpLGJF33AFr4TnVLxL3eSbu+qhWMhhB6quwemCEKdy84TgG6pXielgSecAebzu4P2KPi7o4sCcE31h9CRENRAXdKGOnAM=
+SHA256 (Pkgfile) = a7624fe1319e633c04b52ffe54441192f396c9a352064b67ecd82c024ae4be8e
 SHA256 (.footprint) = 626625254b83a1303ef176a942d220cd7d249feee925c3c47fa19f7b2a5bef41
 SHA256 (nmap-7.95.tar.bz2) = e14ab530e47b5afd88f1c8a2bac7f89cd8fe6b478e22d255c5b9bddb7a1c5778

nmap/Pkgfile

@@ -2,6 +2,7 @@
 # URL: https://nmap.org
 # Maintainer: Tim Biermann, tbier at posteo dot de
 # Depends on: libpcap libpcre libssh2 lua
+# Optional: cairo gobject-introspection python3-build
 
 name=nmap
 version=7.95
@@ -12,10 +13,15 @@ source=(https://nmap.org/dist/$name-$version.tar.bz2)
 build () {
   cd $name-$version
 
+  prt-get isinst cairo gobject-introspection python3-build || PKGMK_NMAP+=' --without-zenmap'
+  prt-get isinst python3-build || PKGMK_NMAP+=' --without-ndiff'
+
   rm -rf liblua libpcap libpcre macosx mwin32 libssh2 libz
   autoreconf -fiv
 
-  ./configure --prefix=/usr \
+  PYTHON=/usr/bin/python3 \
+  ./configure $PKGMK_NMAP \
+    --prefix=/usr \
     --libexecdir=/usr/lib \
     --with-libpcap=/usr \
     --with-libpcre=/usr \
@@ -23,12 +29,13 @@ build () {
     --with-libssh2=/usr \
     --with-liblua=/usr \
     --disable-nls \
-    --without-ndiff \
-    --without-nmap-update \
-    --without-zenmap
+    --without-nmap-update
 
   make
   make DESTDIR=$PKG install
 
-  find $PKG -iname '*readme*' -exec rm -fr '{}' \+
+  find $PKG \( \
+    -iname '*readme*' -o \
+    -iname 'uninstall_ndiff' \)\
+    -exec rm -fr '{}' \+
 }