From a00b620cb2b43f4ff486f902f12ec09a6ea04d33 Mon Sep 17 00:00:00 2001
From: Andrei Astafev <dev@246060.ru>
Date: Thu, 12 Oct 2023 11:05:27 +0300
Subject: [PATCH] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5?=
 =?UTF-8?q?=D0=BD=20=D0=BF=D0=BE=D0=B8=D1=81=D0=BA=20Qwt?=
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---
 FindQwt.cmake | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 FindQwt.cmake

diff --git a/FindQwt.cmake b/FindQwt.cmake
new file mode 100644
index 0000000..b6642b1
--- /dev/null
+++ b/FindQwt.cmake
@@ -0,0 +1,41 @@
+set(QWT_PREFIX "" CACHE PATH "The path to the prefix of an Qwt installation")
+
+find_path(QWT_INCLUDE_DIR NAMES qwt.h
+  PATHS
+  ${QWT_PREFIX}/include
+  /opt/local/include
+  /usr/include
+  /usr/local/include
+  PATH_SUFFIXES qwt-qt5 qwt qwt6
+)
+
+find_library(QWT_LIBRARIES NAMES qwt-qt5 qwt6-qt5 qwt qwt6
+  PATHS
+  ${QWT_PREFIX}/lib
+  /opt/local/lib
+  /usr/lib
+  /usr/local/lib
+)
+
+if(QWT_INCLUDE_DIR AND QWT_LIBRARIES AND NOT TARGET Qwt::Qwt)
+  get_filename_component(QWT_LIBRARY_DIR ${QWT_LIBRARIES} PATH)
+  set(QWT_FOUND TRUE)
+  add_library(Qwt::Qwt INTERFACE IMPORTED)
+  set_target_properties(Qwt::Qwt PROPERTIES
+      INTERFACE_INCLUDE_DIRECTORIES "${QWT_INCLUDE_DIR}"
+      INTERFACE_LINK_LIBRARIES "${QWT_LIBRARIES}"
+  )
+endif()
+
+if(QWT_FOUND)
+  file(READ ${QWT_INCLUDE_DIR}/qwt_global.h qwt_header)
+  string(REGEX REPLACE "^.*QWT_VERSION_STR +\"([^\"]+)\".*$" "\\1" QWT_VERSION_STR "${qwt_header}")
+  if(NOT QWT_FIND_QUIETLY)
+    message(STATUS "Found Qwt: ${QWT_LIBRARY} (${QWT_VERSION_STR})")
+  endif(NOT QWT_FIND_QUIETLY)
+else(QWT_FOUND)
+  if(QWT_FIND_REQUIRED)
+    message(FATAL_ERROR "Could not find Qwt")
+  endif(QWT_FIND_REQUIRED)
+endif(QWT_FOUND)
+