From bab5516871ebe0eca63e9f97689468f6de0a818c Mon Sep 17 00:00:00 2001
From: Benitoite <kd6kxr@gmail.com>
Date: Sat, 5 Feb 2022 02:10:45 -0800
Subject: [PATCH] Mac: set fftw3f_omp linker flags (#6406)

Sets linker flags for macOS for fftw3f_omp when OPTION_OMP==ON
---
 CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4b1976ac0..0a55ca6d5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -488,6 +488,12 @@ endif()
 pkg_check_modules(LCMS REQUIRED lcms2>=2.6)
 pkg_check_modules(EXPAT REQUIRED expat>=2.1)
 pkg_check_modules(FFTW3F REQUIRED fftw3f)
+
+#Set the appropriate FFTW flags on macOS
+if(APPLE AND OPTION_OMP)
+        set(EXTRA_LIB "-L${LOCAL_PREFIX}/lib -lfftw3f_omp -lfftw3f -lm")
+endif()
+
 pkg_check_modules(IPTCDATA REQUIRED libiptcdata)
 find_package(TIFF 4.0.4 REQUIRED)
 find_package(JPEG REQUIRED)