main/gnupg1: remove provides for gnupg

don't let gnupg1 provide gnupg so that gnupg-2.x is used.

also add -fcommon to build with gcc 10.

main/gnupg1/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=gnupg1
 pkgver=1.4.23
-pkgrel=0
+pkgrel=1
 pkgdesc="GNU Privacy Guard 1 - a PGP replacement tool"
 url="http://www.gnupg.org/"
 arch="all"
@@ -10,8 +10,6 @@ depends="pinentry"
 makedepends="curl-dev libassuan libksba-dev libgcrypt-dev libgpg-error-dev
 	zlib-dev libassuan-dev"
 subpackages="$pkgname-doc"
-provides="gnupg=$pkgver-r$pkgrel"
-replaces="gnupg"
 source="https://www.gnupg.org/ftp/gcrypt/gnupg/gnupg-$pkgver.tar.bz2"
 
 # secfixes:
@@ -23,20 +21,17 @@ source="https://www.gnupg.org/ftp/gcrypt/gnupg/gnupg-$pkgver.tar.bz2"
 builddir="$srcdir/gnupg-$pkgver"
 prepare() {
 	default_prepare
-	cd "$builddir"
 
 	# Fix PIC definitions
 	sed -i -e 's:PIC:__PIC__:' \
 		mpi/i386/mpih-add1.S \
 		mpi/i386/mpih-sub1.S \
-		intl/relocatable.c \
-		|| return 1
+		intl/relocatable.c
 }
 
 build() {
 	cd "$builddir"
-	export CFLAGS="$CFLAGS -g"
-	./configure \
+	CFLAGS="$CFLAGS -g -fcommon" ./configure \
 		--build=$CBUILD \
 		--host=$CHOST \
 		--prefix=/usr \
@@ -44,19 +39,12 @@ build() {
 		--mandir=/usr/share/man \
 		--localstatedir=/var \
 		--disable-nls \
-		--enable-noexecstack \
-		|| return 1
-	make || return 1
+		--enable-noexecstack
+	make
 }
 
 package() {
-	cd "$builddir"
 	make -j1 DESTDIR="$pkgdir" install
 }
 
-doc() {
-	default_doc
-	provides="gnupg-doc=$pkgver-r$pkgrel"
-}
-
 sha512sums="78dc52a2010202a4afc8814b29fda657a6c9fe230d5e7db11ae040edd2b0ca819e1baa4dbd6c0d04d36cd353df484e83f52d17759d2891c2cf7025c0b5d36612  gnupg-1.4.23.tar.bz2"