From 6af8fcb2bdbeeb7bd88dcb6e1e063430edea6dec Mon Sep 17 00:00:00 2001
From: Mehdi Chinoune <mehdi.chinoune@hotmail.com>
Date: Sun, 28 Nov 2021 07:15:49 +0100
Subject: [PATCH] [new-package] f2cblaslapack (clang only)

---
 .../001-no-petsc-conf.patch                   | 11 ++++++
 mingw-w64-f2cblaslapack/PKGBUILD              | 35 +++++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 mingw-w64-f2cblaslapack/001-no-petsc-conf.patch
 create mode 100644 mingw-w64-f2cblaslapack/PKGBUILD

diff --git a/mingw-w64-f2cblaslapack/001-no-petsc-conf.patch b/mingw-w64-f2cblaslapack/001-no-petsc-conf.patch
new file mode 100644
index 0000000000..7b22fe7a12
--- /dev/null
+++ b/mingw-w64-f2cblaslapack/001-no-petsc-conf.patch
@@ -0,0 +1,11 @@
+--- a/makefile
++++ b/makefile
+@@ -24,7 +24,7 @@
+ # By default, pick up the options from the PETSc configuration files
+ ########################################################################################
+ BLASLAPACK_TYPE  = F2CBLASLAPACK
+-include ${PETSC_DIR}/lib/petsc/conf/base
++#include ${PETSC_DIR}/lib/petsc/conf/base
+ 
+ ########################################################################################
+ # compile the source files and create the blas and lapack libs
diff --git a/mingw-w64-f2cblaslapack/PKGBUILD b/mingw-w64-f2cblaslapack/PKGBUILD
new file mode 100644
index 0000000000..bc0af6fbf8
--- /dev/null
+++ b/mingw-w64-f2cblaslapack/PKGBUILD
@@ -0,0 +1,35 @@
+# Contributor: Mehdi Chinoune <mehdi.chinoune@hotmail.com>
+
+_realname=f2cblaslapack
+pkgbase=mingw-w64-${_realname}
+pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
+pkgver=3.4.2.q4
+pkgrel=1
+pkgdesc="f2c BLAS/LAPACK (mingw-w64)"
+provides=("${MINGW_PACKAGE_PREFIX}-lapack")
+arch=('any')
+mingw_arch=('clang64')
+url='https://www.petsc.org/' # Part of petsc
+license=('2-clause BSD')
+source=("http://ftp.mcs.anl.gov/pub/petsc/externalpackages/${_realname}-${pkgver}.tar.gz"
+        001-no-petsc-conf.patch)
+sha256sums=('41a43c6f2514ab34bf55aca5474b875882c7d4cd70c76bf4bc7ac433e6c2003e'
+            '7a77aa2621945d2103bb85735b0e9d08526e1943b7f055c1ee7680fd401064f1')
+
+prepare() {
+  cd "${srcdir}"/${_realname}-${pkgver}
+  patch -p1 -i "${srcdir}"/001-no-petsc-conf.patch
+}
+
+build() {
+  [[ -d "${srcdir}"/build-${MSYSTEM} ]] && rm -rf "${srcdir}"/build-${MSYSTEM}
+  cp -r "${srcdir}"/${_realname}-${pkgver} "${srcdir}"/build-${MSYSTEM} && cd "${srcdir}"/build-${MSYSTEM}
+
+  make
+}
+
+package() {
+  cd "${srcdir}"/build-${MSYSTEM}
+  install -Dm644 libf2cblas.a "${pkgdir}"${MINGW_PREFIX}/lib/libblas.a
+  install -Dm644 libf2clapack.a "${pkgdir}"${MINGW_PREFIX}/lib/liblapack.a
+}