From 4a9b658141308ac0c7a26cd98c463466217ff162 Mon Sep 17 00:00:00 2001
From: Alexander Neumann <30894796+Neumann-A@users.noreply.github.com>
Date: Wed, 26 Aug 2020 03:55:54 +0200
Subject: [lapack-reference] fix cblas feature (#12929)

---
 ports/lapack-reference/CONTROL        |  1 +
 ports/lapack-reference/portfile.cmake | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/ports/lapack-reference/CONTROL b/ports/lapack-reference/CONTROL
index 493e7f50e..0ac1c8d0e 100644
--- a/ports/lapack-reference/CONTROL
+++ b/ports/lapack-reference/CONTROL
@@ -1,5 +1,6 @@
 Source: lapack-reference
 Version: 3.8.0
+Port-Version: 1
 Description: LAPACK — Linear Algebra PACKage http://www.netlib.org/lapack/
 Default-Features: blas-select
 Build-Depends: vcpkg-gfortran (windows)
diff --git a/ports/lapack-reference/portfile.cmake b/ports/lapack-reference/portfile.cmake
index dcdce397a..6a3ad6982 100644
--- a/ports/lapack-reference/portfile.cmake
+++ b/ports/lapack-reference/portfile.cmake
@@ -24,6 +24,9 @@ endif()
 set(CBLAS OFF)
 if("cblas" IN_LIST FEATURES)
     set(CBLAS ON)
+    if("noblas" IN_LIST FEATURES)
+        message(FATAL_ERROR "Cannot built feature 'cblas' together with feature 'noblas'. cblas requires blas!")
+    endif()
 endif()
 
 set(USE_OPTIMIZED_BLAS OFF) 
@@ -91,6 +94,20 @@ if(NOT USE_OPTIMIZED_BLAS)
         file(WRITE "${pcfile}" "${_contents}")
     endif()
 endif()
+if("cblas" IN_LIST FEATURES)
+    set(pcfile "${CURRENT_PACKAGES_DIR}/lib/pkgconfig/cblas.pc")
+    if(EXISTS "${pcfile}")
+        file(READ "${pcfile}" _contents)
+        set(_contents "prefix=${CURRENT_INSTALLED_DIR}\n${_contents}")
+        file(WRITE "${pcfile}" "${_contents}")
+    endif()
+    set(pcfile "${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/cblas.pc")
+    if(EXISTS "${pcfile}")
+        file(READ "${pcfile}" _contents)
+        set(_contents "prefix=${CURRENT_INSTALLED_DIR}/debug\n${_contents}")
+        file(WRITE "${pcfile}" "${_contents}")
+    endif()
+endif()
 vcpkg_fixup_pkgconfig()
 vcpkg_copy_pdbs()
 
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