start moving core frameworks to external libraries

cmake/FindOlive.cmake

@@ -0,0 +1,55 @@
+# Olive - Non-Linear Video Editor
+# Copyright (C) 2023 Olive Studios LLC
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+set(LIBOLIVE_COMPONENTS
+  Core
+  #Codec
+)
+
+foreach (COMPONENT ${LIBOLIVE_COMPONENTS})
+  string(TOLOWER ${COMPONENT} LOWER_COMPONENT)
+  string(TOUPPER ${COMPONENT} UPPER_COMPONENT)
+
+  # Find include directory for this component
+  find_path(LIBOLIVE_${UPPER_COMPONENT}_INCLUDEDIR
+      olive/${LOWER_COMPONENT}/${LOWER_COMPONENT}.h
+    HINTS
+      "${LIBOLIVE_LOCATION}"
+      "$ENV{LIBOLIVE_LOCATION}"
+    PATH_SUFFIXES
+      include/
+  )
+
+  find_library(LIBOLIVE_${UPPER_COMPONENT}_LIBRARY
+      olivecore
+    HINTS
+      "${LIBOLIVE_LOCATION}"
+      "$ENV{LIBOLIVE_LOCATION}"
+    PATH_SUFFIXES
+      lib/
+  )
+
+  list(APPEND LIBOLIVE_LIBRARIES ${LIBOLIVE_${UPPER_COMPONENT}_LIBRARY})
+  list(APPEND LIBOLIVE_INCLUDE_DIRS ${LIBOLIVE_${UPPER_COMPONENT}_INCLUDEDIR})
+endforeach()
+
+include(FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args(Olive
+  REQUIRED_VARS
+    LIBOLIVE_LIBRARIES
+    LIBOLIVE_INCLUDE_DIRS
+)