From b8aff90997116a84350018f88f1eabdaa368d11b Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Sat, 5 Mar 2022 08:24:51 -0500
Subject: Add cmake configuration files

---
 cmake/qpdfCheckFlag.cmake | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 cmake/qpdfCheckFlag.cmake

(limited to 'cmake')

diff --git a/cmake/qpdfCheckFlag.cmake b/cmake/qpdfCheckFlag.cmake
new file mode 100644
index 00000000..8bd72b88
--- /dev/null
+++ b/cmake/qpdfCheckFlag.cmake
@@ -0,0 +1,21 @@
+include(CheckCXXCompilerFlag)
+include(CheckCCompilerFlag)
+
+function(qpdf_maybe_add_flag lang flag var)
+  if(${lang} STREQUAL "C")
+    check_c_compiler_flag(${flag} ${var})
+  elseif(${lang} STREQUAL "CXX")
+    check_cxx_compiler_flag(${flag} ${var})
+  endif()
+  if(${var})
+    message(STATUS "Using ${flag}: YES")
+    if(${lang} STREQUAL "C")
+      # Add for C and C++
+      add_compile_options(${flag})
+    else()
+      add_compile_options($<$<COMPILE_LANGUAGE:CXX>:${flag}>)
+    endif()
+  else()
+    message(STATUS "Using ${flag}: NO")
+  endif()
+endfunction()
-- 
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