create ignition-physics package

.SRCINFO

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+pkgbase = ignition-physics
+	pkgdesc = Abstract physics interface designed to support simulation and rapid development of robot applications.
+	pkgver = 3.1.0
+	pkgrel = 1
+	url = https://ignitionrobotics.org/libs/physics
+	arch = x86_64
+	license = Apache
+	makedepends = cmake
+	source = ignition-physics-3.1.0.tar.gz::https://github.com/ignitionrobotics/ign-physics/archive/ignition-physics3_3.1.0.tar.gz
+	sha256sums = b8e5460d2808e20237b2ee0a6a6b7613b56412f5f6e2a5e153e48e8faae8ab77
+
+pkgname = ignition-physics
+

PKGBUILD

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+# Maintainer: acxz <akashpatel2008 at yahoo dot com>
+
+pkgname=ignition-physics
+pkgver=3.1.0
+pkgrel=1
+pkgdesc="Abstract physics interface designed to support simulation and rapid
+development of robot applications."
+arch=('x86_64')
+url="https://ignitionrobotics.org/libs/physics"
+license=('Apache')
+depends=()
+makedepends=('cmake')
+source=("${pkgname}-${pkgver}.tar.gz::https://github.com/ignitionrobotics/ign-physics/archive/${pkgname}3_${pkgver}.tar.gz")
+sha256sums=('b8e5460d2808e20237b2ee0a6a6b7613b56412f5f6e2a5e153e48e8faae8ab77')
+
+_dir="ign-physics-${pkgname}3_${pkgver}"
+
+build() {
+  cd "$srcdir/$_dir"
+
+  mkdir -p build
+  cd build
+
+  # Configure build
+  cmake .. -DCMAKE_BUILD_TYPE="Release" \
+           -DCMAKE_INSTALL_PREFIX="${pkgdir}/usr" \
+           -DCMAKE_INSTALL_LIBDIR="lib" \
+           -DBUILD_TESTING=OFF
+
+  # Compile
+  make
+}
+
+package() {
+  cd "$srcdir/$_dir/build"
+  #make DESTDIR="$pkgdir/" install
+  make install
+}