Test PKGBUILD for examining how flags are passed to various functions

PKGBUILD

#Maintainer: Packaging Tester <test@pacman>

pkgname=testpkg
pkgver=1
pkgrel=1
pkgdesc="A package for testing"
arch=('any')
url="https://www.archlinux.org/pacman/"
license=('GPL')
makedepends=('pacman')
depends=('pacman')
options=('!ccache' '!distcc' "buildflags" "makeflags" "!debug")

  msg2 "Read PKGBUILD header"
  msg2 "cppflags ${CPPFLAGS}"
  msg2 "cflags ${CFLAGS}"
  msg2 "cxxflags ${CXXFLAGS}"
  msg2 "ldflags ${LDFLAGS}"
  msg2 "makeflags ${MAKEFLAGS}"
  #unset CPPFLAGS CFLAGS CXXFLAGS LDFLAGS MAKEFLAGS

prepare() {
  msg2 "cppflags ${CPPFLAGS}"
  msg2 "cflags ${CFLAGS}"
  msg2 "cxxflags ${CXXFLAGS}"
  msg2 "ldflags ${LDFLAGS}"
  msg2 "makeflags ${MAKEFLAGS}"
  #unset CPPFLAGS CFLAGS CXXFLAGS LDFLAGS MAKEFLAGS
}

build() {
  msg2 "cppflags ${CPPFLAGS}"
  msg2 "cflags ${CFLAGS}"
  msg2 "cxxflags ${CXXFLAGS}"
  msg2 "ldflags ${LDFLAGS}"
  msg2 "makeflags ${MAKEFLAGS}"
  #unset CPPFLAGS CFLAGS CXXFLAGS LDFLAGS MAKEFLAGS
}

check() {
  msg2 "cppflags ${CPPFLAGS}"
  msg2 "cflags ${CFLAGS}"
  msg2 "cxxflags ${CXXFLAGS}"
  msg2 "ldflags ${LDFLAGS}"
  msg2 "makeflags ${MAKEFLAGS}"
  #unset CPPFLAGS CFLAGS CXXFLAGS LDFLAGS MAKEFLAGS
}

package() {
  msg2 "cppflags ${CPPFLAGS}"
  msg2 "cflags ${CFLAGS}"
  msg2 "cxxflags ${CXXFLAGS}"
  msg2 "ldflags ${LDFLAGS}"
  msg2 "makeflags ${MAKEFLAGS}"
  #unset CPPFLAGS CFLAGS CXXFLAGS LDFLAGS MAKEFLAGS
}