From 57f486dc596d3dab544b0941981bb16e5beab182 Mon Sep 17 00:00:00 2001
From: Andrey Astafyev <dev@246060.ru>
Date: Thu, 24 Sep 2020 13:05:40 +0300
Subject: [PATCH] =?UTF-8?q?=D0=9F=D0=BE=D0=B8=D1=81=D0=BA=20QwtPlot3D?=
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---
 FindQwtPlot3D.cmake | 55 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 FindQwtPlot3D.cmake

diff --git a/FindQwtPlot3D.cmake b/FindQwtPlot3D.cmake
new file mode 100644
index 0000000..d79c439
--- /dev/null
+++ b/FindQwtPlot3D.cmake
@@ -0,0 +1,55 @@
+# Find QwtPlot3D
+# ~~~~~~~~~~~~~
+# Once run this will define:
+#
+# QWTPLOT3D_FOUND       = system has QwtPlot3D lib
+# QWTPLOT3D_LIBRARY     = full path to the QwtPlot3D library
+# QWTPLOT3D_INCLUDE_DIR = where to find headers
+#
+
+
+set(QWTPLOT3D_LIBRARY_NAMES qwtplot3d-qt5)
+
+find_library(QWTPLOT3D_LIBRARY
+  NAMES ${QWTPLOT3D_LIBRARY_NAMES}
+  PATHS
+    /usr/lib
+    /usr/local/lib
+    /usr/local/lib/qt5
+    "$ENV{LIB_DIR}/lib"
+    "$ENV{LIB}"
+)
+
+set(_qwt_fw)
+if(QWTPLOT3D_LIBRARY MATCHES "/qwt.*\\.framework")
+  string(REGEX REPLACE "^(.*/qwt.*\\.framework).*$" "\\1" _qwt_fw "${QWTPLOT3D_LIBRARY}")
+endif()
+
+FIND_PATH(QWTPLOT3D_INCLUDE_DIR NAMES qwt3d_plot.h PATHS
+  "${_qwt_fw}/Headers"
+  /usr/include
+  /usr/include/qt5
+  /usr/local/include
+  /usr/local/include/qt5
+  "$ENV{LIB_DIR}/include"
+  "$ENV{INCLUDE}"
+  PATH_SUFFIXES qwtplot3d
+)
+
+IF (QWTPLOT3D_INCLUDE_DIR AND QWTPLOT3D_LIBRARY)
+  SET(QWTPLOT3D_FOUND TRUE)
+ENDIF (QWTPLOT3D_INCLUDE_DIR AND QWTPLOT3D_LIBRARY)
+
+IF (QWTPLOT3D_FOUND)
+  FILE(READ ${QWTPLOT3D_INCLUDE_DIR}/qwt3d_global.h qwt_header)
+  STRING(REGEX REPLACE "^.*QWT3D_MAJOR_VERSION +([0-9]+).*$" "\\1" QWT3D_MAJOR_VERSION "${qwt_header}")
+  STRING(REGEX REPLACE "^.*QWT3D_MINOR_VERSION +([0-9]+).*$" "\\1" QWT3D_MINOR_VERSION "${qwt_header}")
+  STRING(REGEX REPLACE "^.*QWT3D_PATCH_VERSION +([0-9]+).*$" "\\1" QWT3D_PATCH_VERSION "${qwt_header}")
+  IF (NOT QWTPLOT3D_FIND_QUIETLY)
+    MESSAGE(STATUS "Found QwtPlot3D: ${QWTPLOT3D_LIBRARY} (${QWT3D_MAJOR_VERSION}.${QWT3D_MINOR_VERSION}.${QWT3D_PATCH_VERSION})")
+  ENDIF (NOT QWTPLOT3D_FIND_QUIETLY)
+ELSE (QWTPLOT3D_FOUND)
+  IF (QWTPLOT3D_FIND_REQUIRED)
+    MESSAGE(FATAL_ERROR "Could not find QwtPlot3D")
+  ENDIF (QWTPLOT3D_FIND_REQUIRED)
+ENDIF (QWTPLOT3D_FOUND)