pegtl: Remove Werror compiler flag.

mingw-w64-pegtl/PKGBUILD

@@ -4,7 +4,7 @@ _realname=pegtl
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=2.8.1
-pkgrel=1
+pkgrel=2
 pkgdesc="Parsing Expression Grammar (PEG) Template Library (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64')
@@ -35,6 +35,13 @@ del_file_exists() {
 }
 # =========================================== #
 
+prepare() {
+  cd "${srcdir}"/${_realname}-${pkgver}
+
+  # Remove Werror flag
+  sed -i 's/-Werror=/-W/g;s/-Werror//g' src/test/pegtl/CMakeLists.txt
+}
+
 build() {
   cd "${srcdir}"/${_realname}-${pkgver}
   [[ -d "${srcdir}"/build-${CARCH} ]] && rm -rf "${srcdir}"/build-${CARCH}