From 5b60a4311ed5fadf6eba47cbf63dff5501c99b58 Mon Sep 17 00:00:00 2001
From: "Niall Douglas (s [underscore] sourceforge {at} nedprod [dot] com)"
 <spamtrap@nedprod.com>
Date: Sun, 22 Mar 2020 02:12:39 +0000
Subject: travis

---
 CMakeLists.txt | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index cd6eeca6..c2899441 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -175,9 +175,16 @@ all_link_libraries(PUBLIC quickcpplib::hl outcome::hl Threads::Threads $<$<PLATF
 # Set the system dependencies this library has
 include(CheckCXXSourceCompiles)
 include(CheckCXXSourceRuns)
+macro(check_cxx_source_linkage prog var)
+  if(CMAKE_SYSTEM_PROCESSOR STREQUAL ${CMAKE_HOST_SYSTEM_PROCESSOR})
+    check_cxx_source_runs("${prog}" ${var})
+  else()
+    check_cxx_source_compiles("${prog}" ${var})
+  endif()
+endmacro()
 # Do we have native <filesystem> that just works without any extra effort?
 # We have to check if it runs, as binaries may link, but fail to run due to missing symbols
-check_cxx_source_runs("
+check_cxx_source_linkage("
 #include <filesystem>
 int main() {
   try { return std::filesystem::path(\"hi\").empty(); } catch(std::filesystem::filesystem_error) { return 1; }
@@ -243,13 +250,13 @@ int main() {
   function(check_stl_filesystem_link_flags)
     indented_message(STATUS "NOTE: Using STL link flags '${ARGN}'")
     set(CMAKE_REQUIRED_LIBRARIES ${ARGN})
-    check_cxx_source_runs("
+    check_cxx_source_linkage("
 #include <filesystem>
 int main() {
   try { return std::filesystem::path(\"hi\").empty(); } catch(std::filesystem::filesystem_error) { return 1; }
 }
 " CXX_HAS_CXX_FILESYSTEM_AFTER_FLAGS)
-    check_cxx_source_runs("
+    check_cxx_source_linkage("
 #include <experimental/filesystem>
 int main() {
   try { return std::experimental::filesystem::path(\"hi\").empty(); } catch(std::experimental::filesystem::filesystem_error) { return 1; }
-- 
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