testing/libmilter: improve abuild, add note about version number

testing/libmilter/APKBUILD

@@ -2,49 +2,64 @@
 # Contributor: Valery Kartel <valery.kartel@gmail.com>
 # Contributor: Stefan Wagner <stw@bit-strickerei.de>
 pkgname=libmilter
-_pkgname="sendmail"
+_pkgname=sendmail
+# This library is part of sendmail, but it does not share the version number with it.
+# In order to find the right libmilter version number, check SMFI_VERSION definition
+# that can be found in ${S}/include/libmilter/mfapi.h (see also SM_LM_VRS_* defines).
+# For example, version 1.0.1 has a SMFI_VERSION of 0x01000001.
 pkgver=1.0.2
 _pkgver=8.15.2
-pkgrel=3
-pkgdesc="Sendmail Mail Filter API"
+pkgrel=4
+pkgdesc="Sendmail Mail Filter API (Milter)"
 url="http://www.sendmail.com/sm/open_source"
 arch="all"
 license="custom"
-makedepends="$depends_dev m4 linux-headers bsd-compat-headers"
+makedepends="m4 linux-headers bsd-compat-headers"
 subpackages="$pkgname-dev $pkgname-doc"
 source="ftp://ftp.sendmail.org/pub/$_pkgname/$_pkgname.$_pkgver.tar.gz
 	libmilter-sharedlib.patch
-	default-pthread-stacksize.patch
-	site.config.m4"
-builddir="$srcdir"/$_pkgname-$_pkgver
+	default-pthread-stacksize.patch"
+builddir="$srcdir/$_pkgname-$_pkgver"
+
+prepare() {
+	default_prepare || return 1
+
+	cat >> devtools/Site/site.config.m4 <<-EOF
+		dnl enable ipv6
+		APPENDDEF(\`conf_libmilter_ENVDEF',\`-DNETINET6=1')
+		dnl getipnodebyname/getipnodebyaddr is deprecated and not part of musl libc
+		APPENDDEF(\`conf_libmilter_ENVDEF',\`-DNEEDSGETIPNODE=1')
+	EOF
+}
 
 build() {
 	cd "$builddir"
-	cp "$srcdir"/site.config.m4 devtools/Site/site.config.m4 || return 1
-	make -j1 -C libmilter MILTER_SOVER=$pkgver || return 1
+	make -j1 -C libmilter MILTER_SOVER=$pkgver
 }
 
 package() {
 	cd "$builddir"
+
 	mkdir -p "$pkgdir"/usr/lib
 	make -j1 -C libmilter \
 		INCOWN=root INCGRP=root INCMODE=644 \
 		LIBOWN=root LIBGRP=root LIBMODE=644 UBINMODE=755 \
-		MILTER_SOVER=$pkgver DESTDIR="$pkgdir" install || return 1
-	install -Dm644 libmilter/README "$pkgdir"/usr/share/doc/$pkgname/README
-	cp -r libmilter/docs "$pkgdir"/usr/share/doc/$pkgname/
+		MILTER_SOVER=$pkgver \
+		DESTDIR="$pkgdir" \
+		install || return 1
+
+	install -m 644 -D libmilter/README \
+		"$pkgdir"/usr/share/doc/$pkgname/README || return 1
+	cp -r libmilter/docs "$pkgdir"/usr/share/doc/$pkgname/ || return 1
 	install -Dm644 LICENSE "$pkgdir"/usr/share/licenses/$pkgname/license
 }
 
 md5sums="a824fa7dea4d3341efb6462ccd816f00  sendmail.8.15.2.tar.gz
 49558fc2c9e38f433e0dc64d76705c05  libmilter-sharedlib.patch
-c1aa7f5db24f0d8cd19f6b71f2c23695  default-pthread-stacksize.patch
-e9fc99ec22265e5e561711f64bb9a0fa  site.config.m4"
+c1aa7f5db24f0d8cd19f6b71f2c23695  default-pthread-stacksize.patch"
 sha256sums="24f94b5fd76705f15897a78932a5f2439a32b1a2fdc35769bb1a5f5d9b4db439  sendmail.8.15.2.tar.gz
 3a753b0881fe622814b471ee5f9037905c7cc3ed08ef74908464ab5307e59d5a  libmilter-sharedlib.patch
-d04f6f653c64857843f84a76991cdc3cbbff84093e43cc0baf5485b2f726056c  default-pthread-stacksize.patch
-fb8d43d33dda08aac9762983cadb24c54d5e3130b8808dadf4d189ceea564f48  site.config.m4"
+d04f6f653c64857843f84a76991cdc3cbbff84093e43cc0baf5485b2f726056c  default-pthread-stacksize.patch"
 sha512sums="04feb37316c13b66b1518596507a7da7c16cb0bf1abf10367f7fd888a428fadb093a9efa55342fa55b936c3f0cbdc63b9e2505cd99201a69a0c05b8ad65f49f9  sendmail.8.15.2.tar.gz
 31c36b57739946c1b9c7c85307fe5c53c45d7f8cbf427a0f2248db8b74871a6f5a30ef1af524915821aeca54310d28272bcd0a587cb918192214fa5c30e4a8da  libmilter-sharedlib.patch
-d3e12943fe7e9babdf700a2d8c0229bc16fa2ea16097615600341dee13f137b157ffa4b03f76c92ba9c5552ca3bf01cb598f6a6201720408df3a37247001a219  default-pthread-stacksize.patch
-b939c19a82cd56f06102a7ad9f446c788d1eff0870f35c2f7d0a904782a7524f25adbb16c57373e0f592247d9898fdd1ef4212da15239b96ddbd9ff5010c630f  site.config.m4"
+d3e12943fe7e9babdf700a2d8c0229bc16fa2ea16097615600341dee13f137b157ffa4b03f76c92ba9c5552ca3bf01cb598f6a6201720408df3a37247001a219  default-pthread-stacksize.patch"

testing/libmilter/site.config.m4

-dnl enable ipv6
-APPENDDEF(`conf_libmilter_ENVDEF',`-DNETINET6=1')
-dnl getipnodebyname/getipnodebyaddr is deprecated and not part of musl libc
-APPENDDEF(`conf_libmilter_ENVDEF',`-DNEEDSGETIPNODE=1')