From 2562d423852b535b17e5029294bb0b7b0a297f7d Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Sat, 17 Apr 2021 22:59:40 +0200
Subject: [PATCH] Allow local compile of DAB demodulator

---
 CMakeLists.txt                 |  1 +
 cmake/Modules/FindLibDAB.cmake | 36 ++++++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 cmake/Modules/FindLibDAB.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e7da761be..4265de6d1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -391,6 +391,7 @@ else()
     find_package(LibDSDcc)
     find_package(Sgp4)
     find_package(AptDec)
+    find_package(LibDAB)
 endif()
 
 # Devices
diff --git a/cmake/Modules/FindLibDAB.cmake b/cmake/Modules/FindLibDAB.cmake
new file mode 100644
index 000000000..e419bb6ec
--- /dev/null
+++ b/cmake/Modules/FindLibDAB.cmake
@@ -0,0 +1,36 @@
+IF (NOT DAB_FOUND)
+    INCLUDE(FindPkgConfig)
+    PKG_CHECK_MODULES(LIBDAB_PKG libdab)
+
+    FIND_PATH(
+        DAB_INCLUDE_DIR
+        NAMES dab-api.h
+        HINTS ${DAB_DIR}/include/dab_lib
+              ${LIBDAB_PKG_INCLUDE_DIRS}
+        PATHS /usr/include/dab_lib
+              /usr/local/include/dab_lib
+    )
+
+    FIND_LIBRARY(
+        DAB_LIBRARIES
+        NAMES dab_lib
+        HINTS ${DAB_DIR}/lib
+              ${DAB_DIR}/lib64
+              ${LIBDAB_PKG_LIBRARY_DIRS}
+        PATHS /usr/lib
+              /usr/lib64
+              /usr/local/lib
+              /usr/local/lib64
+    )
+
+    if (DAB_INCLUDE_DIR AND DAB_LIBRARIES)
+        set(DAB_FOUND TRUE CACHE INTERNAL "libdab found")
+        message(STATUS "Found libdab: ${DAB_INCLUDE_DIR}, ${DAB_LIBRARIES}")
+    else (DAB_INCLUDE_DIR AND DAB_LIBRARIES)
+        set(DAB_FOUND FALSE CACHE INTERNAL "libdab found")
+        message(STATUS "libdab not found.")
+    endif (DAB_INCLUDE_DIR AND DAB_LIBRARIES)
+
+    mark_as_advanced(DAB_INCLUDE_DIR DAB_LIBRARIES)
+
+ENDIF (NOT DAB_FOUND)