* add libdecaf

libdecaf/.SRCINFO

@@ -0,0 +1,19 @@
+pkgbase = libdecaf
+	pkgdesc = A 448-bit Edwards curve
+	pkgver = 1.0.2
+	pkgrel = 2
+	url = https://sourceforge.net/projects/ed448goldilocks/
+	arch = x86_64
+	arch = powerpc64le
+	arch = powerpc64
+	arch = powerpc
+	arch = riscv64
+	license = MIT
+	makedepends = cmake
+	makedepends = git
+	makedepends = python
+	depends = glibc
+	source = libdecaf-1.0.2::git://git.code.sf.net/p/ed448goldilocks/code#commit=347057
+	sha256sums = SKIP
+
+pkgname = libdecaf

libdecaf/PKGBUILD

@@ -0,0 +1,34 @@
+# POWER Maintainer: Alexander Baldeck <alex.bldck@gmail.com>
+# Maintainer: Guillaume Horel <guillaume.horel@gmail.com>
+pkgname='libdecaf'
+pkgver='1.0.2'
+pkgrel=2
+pkgdesc="A 448-bit Edwards curve"
+url="https://sourceforge.net/projects/ed448goldilocks/"
+depends=('glibc')
+makedepends=('cmake' 'git' 'python')
+license=('MIT')
+arch=(x86_64 powerpc64le powerpc64 powerpc riscv64)
+source=("libdecaf-1.0.2::git://git.code.sf.net/p/ed448goldilocks/code#commit=347057")
+sha256sums=('SKIP')
+
+build() {
+    cmake -B build -S "${pkgname}-${pkgver}" \
+    -DCMAKE_INSTALL_PREFIX=/usr \
+    -DCMAKE_INSTALL_LIBDIR=lib \
+    -DENABLE_STATIC=OFF \
+    -DENABLE_TESTS=ON \
+    -DCMAKE_BUILD_TYPE='None' \
+    -DCMAKE_C_FLAGS="-Wno-sizeof-array-div -Wno-array-parameter" \
+    -Wno-dev
+    make -C build
+}
+
+package() {
+    make DESTDIR="${pkgdir}" -C build install
+    install -D -m644 "${pkgname}-${pkgver}/LICENSE.txt" "${pkgdir}/usr/share/licenses/$pkgname/LICENSE.txt"
+}
+
+check() {
+    make -C build test
+}