Subject: [PATCH 2/4] gnu: gmic: Disable static libraries and enable LTO.

From: Vinicius Monego <[email-masked]>
Date: Fri, 5 Mar 2021 01:53:36 -0300

* gnu/packages/image-processing.scm (gmic)[arguments]: Pass
"-DBUILD_LIB_STATIC=OFF", "-DENABLE_DYNAMIC_LINKING=ON" and "-DENABLE_LTO=ON"
to #:configure-flags. Add phase to set LDFLAGS.
---
 gnu/packages/image-processing.scm | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/image-processing.scm b/gnu/packages/image-processing.scm
index 0b5c792b56..81b90d87ec 100644
--- a/gnu/packages/image-processing.scm
+++ b/gnu/packages/image-processing.scm
@@ -613,7 +613,18 @@ due to its architecture which automatically parallelises the image workflows.")
         (base32 "06n1dcskky7aqg3a0cp7biwz8agc4xqvr8091l2wsvgib98yhbyj"))))
     (build-system cmake-build-system)
     (arguments
-     `(#:tests? #f))                    ;there are no tests
+     `(#:tests? #f ;there are no tests
+       #:configure-flags '("-DBUILD_LIB_STATIC=OFF"
+                           "-DENABLE_DYNAMIC_LINKING=ON"
+                           "-DENABLE_LTO=ON")
+       #:phases
+       (modify-phases %standard-phases
+         (add-before 'configure 'set-LDFLAGS
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (setenv "LDFLAGS"
+                     (string-append
+                      "-Wl,-rpath="
+                      (assoc-ref outputs "out") "/lib")))))))
     (native-inputs
      `(("pkg-config" ,pkg-config)))
     (inputs
-- 
2.30.1