user/*: Modernise / fix syntax / deps

user/gavl/APKBUILD

@@ -12,7 +12,8 @@ depends=""
 makedepends="doxygen"
 subpackages="$pkgname-dev $pkgname-doc"
 source="https://downloads.sourceforge.net/sourceforge/gmerlin/gavl-$pkgver.tar.gz
-	musl-sched_h.patch"
+	musl-sched_h.patch
+	"
 
 prepare() {
 	default_prepare
@@ -20,7 +21,6 @@ prepare() {
 }
 
 build() {
-	cd "$builddir"
 	./configure \
 		--build=$CBUILD \
 		--host=$CHOST \
@@ -32,7 +32,6 @@ build() {
 }
 
 package() {
-	cd "$builddir"
 	make DESTDIR="$pkgdir" install
 }
 

user/gsm/APKBUILD

@@ -19,13 +19,11 @@ source="http://www.quut.com/gsm/gsm-$pkgver.tar.gz
 builddir="$srcdir"/gsm-${pkgver%.*}-pl${pkgver##*.}
 
 build() {
-	cd "$builddir"
 	export RPM_OPT_FLAGS="$CFLAGS -fPIC"
 	make all
 }
 
 package() {
-	cd "$builddir"
 	mkdir -p "$pkgdir"/usr/bin \
 		"$pkgdir"/usr/include/gsm \
 		"$pkgdir"/usr/lib \

user/libao/APKBUILD

@@ -8,12 +8,11 @@ arch="all"
 options="!check"  # No test suite.
 license="GPL-2.0+"
 depends=""
-makedepends="alsa-lib-dev autoconf automake pulseaudio-dev"
+makedepends="alsa-lib-dev autoconf automake libtool pulseaudio-dev"
 subpackages="$pkgname-doc $pkgname-dev $pkgname-pulse"
 source="$pkgname-$pkgver.tar.gz::https://github.com/xiph/libao/archive/$pkgver.tar.gz"
 
 build() {
-	cd "$builddir"
 	./autogen.sh
 	./configure \
 		--build=$CBUILD \
@@ -25,7 +24,6 @@ build() {
 }
 
 package() {
-	cd "$builddir"
 	make DESTDIR="$pkgdir" install
 }
 

user/opusfile/APKBUILD

@@ -12,8 +12,6 @@ subpackages="$pkgname-dev $pkgname-doc"
 source="https://downloads.xiph.org/releases/opus/$pkgname-$pkgver.tar.gz"
 
 build() {
-	cd "$builddir"
-
 	./configure \
 		--build=$CBUILD \
 		--host=$CHOST \
@@ -28,12 +26,10 @@ build() {
 }
 
 check() {
-	cd "$builddir"
 	make check
 }
 
 package() {
-	cd "$builddir"
 	make DESTDIR="$pkgdir" install
 }
 

user/rttr/APKBUILD

@@ -8,7 +8,7 @@ url=" "
 arch="all"
 license="MIT"
 depends=""
-makedepends="doxygen graphviz"
+makedepends="cmake doxygen graphviz"
 subpackages="$pkgname-dev $pkgname-doc"
 source="https://github.com/rttrorg/rttr/releases/download/v$pkgver/rttr-$pkgver-src.tar.gz
 	arm64.patch
@@ -27,7 +27,7 @@ build() {
 		-DBUILD_SHARED_LIBS=True \
 		-DCMAKE_BUILD_TYPE=RelWithDebugInfo \
 		-DCMAKE_CXX_FLAGS="$CXXFLAGS -Wno-error=class-memaccess -DNDEBUG" \
-		${CMAKE_CROSSOPTS}
+		${CMAKE_CROSSOPTS} .
 	make
 }
 

user/sdl_image/APKBUILD

@@ -15,13 +15,11 @@ source="https://www.libsdl.org/projects/SDL_image/release/SDL_image-${pkgver}.ta
 builddir="$srcdir"/SDL_image-$pkgver
 
 prepare() {
-	cd "$builddir"
-	update_config_sub
 	default_prepare
+	update_config_sub
 }
 
 build() {
-	cd "$builddir"
 	./configure \
 		--build=$CBUILD \
 		--host=$CHOST \
@@ -33,7 +31,6 @@ build() {
 }
 
 package() {
-	cd "$builddir"
 	make DESTDIR="$pkgdir" install
 }
 

user/sox/APKBUILD

@@ -20,13 +20,11 @@ source="https://downloads.sourceforge.net/sourceforge/$pkgname/$pkgname-$pkgver.
 	"
 
 prepare() {
-	cd "$builddir"
 	default_prepare
 	autoreconf -vif
 }
 
 build() {
-	cd "$builddir"
 	./configure \
 		--build=$CBUILD \
 		--host=$CHOST \
@@ -38,7 +36,6 @@ build() {
 }
 
 package() {
-	cd "$builddir"
 	make DESTDIR="$pkgdir" install
 	ln -sf play "$pkgdir"/usr/bin/rec
 	ln -sf ../man1/sox.1.gz "$pkgdir"/usr/share/man/man7/soxeffect.7