From eaf74013246099470404ae5b8fd8c7c5b6ad1c5e Mon Sep 17 00:00:00 2001
From: Christophe Prud'homme <christophe.prudhomme@feelpp.org>
Date: Mon, 13 Nov 2023 21:21:44 +0100
Subject: [PATCH] fix install

feelpp/feelpp#2182
---
 Src/CMakeLists.txt | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/Src/CMakeLists.txt b/Src/CMakeLists.txt
index a9eb3c8d..e7c4eeb7 100644
--- a/Src/CMakeLists.txt
+++ b/Src/CMakeLists.txt
@@ -11,11 +11,11 @@ INCLUDE_DIRECTORIES(
      ${CMAKE_CURRENT_SOURCE_DIR}
      ${CMAKE_CURRENT_BINARY_DIR}
 )
-
-INSTALL(DIRECTORY ./ DESTINATION include/ )
+include(GNUInstallDirs)
+INSTALL(DIRECTORY ./ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/specx )
 
 if(SPECX_DO_INSTALL)
-    INSTALL( FILES "${SPECX_BINARY_DIR}/Src/Config/SpConfig.hpp" DESTINATION include/Src/Config/ )
+    INSTALL( FILES "${SPECX_BINARY_DIR}/Src/Config/SpConfig.hpp" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/specx/Config )
 endif()
 
 
@@ -47,8 +47,8 @@ add_library(
 )
 
 if(SPECX_DO_INSTALL)
-    target_include_directories(specx INTERFACE $<INSTALL_INTERFACE:include>)
-    INSTALL(TARGETS specx EXPORT specx DESTINATION lib )
-    INSTALL(EXPORT specx DESTINATION lib )
+    target_include_directories(specx INTERFACE $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/specx>)
+    INSTALL(TARGETS specx EXPORT specx DESTINATION ${CMAKE_INSTALL_LIBDIR})
+    INSTALL(EXPORT specx DESTINATION ${CMAKE_INSTALL_LIBDIR})
 endif()