Allow finding libraries with C compiler

config/meson.build

@@ -15,6 +15,10 @@
 
 os = host_machine.system()
 fc = meson.get_compiler('fortran')
+cc = fc
+if has_cc
+  cc = meson.get_compiler('c')
+endif
 fc_id = fc.get_id()
 
 # Treat Intel LLVM compiler as standard Intel compiler for compatibility
@@ -63,10 +67,6 @@ endif
 
 if lapack_vendor == 'mkl'
   mkl_dep = []
-  cc = fc
-  if add_languages('c', required: false, native: false)
-    cc = meson.get_compiler('c')
-  endif
   if fc_id == 'intel'
     mkl_dep += cc.find_library(ilp64 ? 'mkl_intel_ilp64' : 'mkl_intel_lp64')
     if get_option('openmp')
@@ -87,19 +87,19 @@ if lapack_vendor == 'mkl'
   lib_deps += mkl_dep
 
 elif lapack_vendor == 'mkl-rt'
-  mkl_dep = fc.find_library('mkl_rt')
+  mkl_dep = cc.find_library('mkl_rt')
   lib_deps += mkl_dep
 
 elif lapack_vendor == 'openblas'
   openblas_dep = dependency(ilp64 ? 'openblas64' : 'openblas', required: false)
   if not openblas_dep.found()
-    openblas_dep = fc.find_library(ilp64 ? 'openblas64' : 'openblas') 
+    openblas_dep = cc.find_library(ilp64 ? 'openblas64' : 'openblas') 
   endif
   lib_deps += openblas_dep
   if not fc.links('external dsytrs; call dsytrs(); end', dependencies: openblas_dep)
     lapack_dep = dependency(ilp64 ? 'lapack64' : 'lapack', required: false)
     if not lapack_dep.found()
-      lapack_dep = fc.find_library(ilp64 ? 'lapack64' : 'lapack')
+      lapack_dep = cc.find_library(ilp64 ? 'lapack64' : 'lapack')
     endif
     lib_deps += lapack_dep
   endif
@@ -110,12 +110,12 @@ elif lapack_vendor == 'custom'
   if libs[0].startswith('-L')
     foreach lib: libs
       if lib != libs[0]
-        custom_deps += fc.find_library(lib, dirs: libs[0].substring(2))
+        custom_deps += cc.find_library(lib, dirs: libs[0].substring(2))
       endif
     endforeach
   else
     foreach lib: libs
-      custom_deps += fc.find_library(lib)
+      custom_deps += cc.find_library(lib)
     endforeach
   endif
   if (not fc.links('external dsytrs; call dsytrs(); end', dependencies: [custom_deps,omp_dep]))
@@ -129,12 +129,12 @@ elif lapack_vendor == 'custom'
 else
   lapack_dep = dependency(ilp64 ? 'lapack64' : 'lapack', required: false)
   if not lapack_dep.found()
-    lapack_dep = fc.find_library(ilp64 ? 'lapack64' : 'lapack') 
+    lapack_dep = cc.find_library(ilp64 ? 'lapack64' : 'lapack') 
   endif
   lib_deps += lapack_dep
   blas_dep = dependency(ilp64 ? 'blas64' : 'blas', required: false) 
   if not blas_dep.found()
-    blas_dep = fc.find_library(ilp64 ? 'blas64' : 'blas') 
+    blas_dep = cc.find_library(ilp64 ? 'blas64' : 'blas') 
   endif
   lib_deps += blas_dep
 endif

meson.build

@@ -25,6 +25,7 @@ project(
   ],
 )
 install = not (meson.is_subproject() and get_option('default_library') == 'static')
+has_cc = add_languages('c', required: false, native: false)
 
 # General configuration information
 inc_dirs = []