From 3bf25fb916fef15765c547d08d85994043668485 Mon Sep 17 00:00:00 2001
From: Ben RUBSON <6764151+benrubson@users.noreply.github.com>
Date: Tue, 3 Mar 2020 22:48:28 +0100
Subject: [PATCH] cmake FUSE & OpenSSL finding (#591)

---
 CMakeLists.txt       | 10 +++++++++-
 INSTALL.md           |  4 ++++
 build.sh             |  4 ----
 cmake/FindFUSE.cmake | 36 +++++++++++++++++++++---------------
 4 files changed, 34 insertions(+), 20 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 227bcfd..2f9d0f0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,7 +27,11 @@ option (BUILD_UNIT_TESTS "build EncFS unit tests" ON)
 option (USE_INTERNAL_TINYXML "use built-in TinyXML2" ON)
 option (USE_INTERNAL_EASYLOGGING "use built-in Easylogging++" ON)
 option (BUILD_SHARED_LIBS "build internal libraries as shared" OFF)
-option (ENABLE_NLS "compile with Native Language Support (using gettext)" ON)
+if (APPLE)
+  option (ENABLE_NLS "compile with Native Language Support (using gettext)" OFF)
+else()
+  option (ENABLE_NLS "compile with Native Language Support (using gettext)" ON)
+endif()
 option (INSTALL_LIBENCFS "install libencfs" OFF)
 option (LINT "enable lint output" OFF)
 
@@ -104,6 +108,10 @@ if (CYGWIN)
 endif()
 
 # Check for OpenSSL.
+if (APPLE AND NOT DEFINED OPENSSL_ROOT_DIR)
+  # Search both Brew and Macports
+  set(OPENSSL_ROOT_DIR "/usr/local/opt/openssl;/opt/local")
+endif()
 find_package (OpenSSL REQUIRED)
 include_directories (${OPENSSL_INCLUDE_DIR})
 
diff --git a/INSTALL.md b/INSTALL.md
index 7418f76..c633270 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -19,6 +19,10 @@ Or following are the detailed steps to build EncFS:
     cmake ..
     make
 
+If CMake can't find FUSE or OpenSSL, you can use the following options:
+
+    cmake .. -DFUSE_ROOT_DIR=/pathto/fuse -DOPENSSL_ROOT_DIR=/pathto/openssl
+
 Optional, but strongly recommended, is running the unit and integration
 tests to verify that the generated binaries work as expected.  Unit
 tests will run almost instantly:
diff --git a/build.sh b/build.sh
index b10107c..dedc6c0 100755
--- a/build.sh
+++ b/build.sh
@@ -11,10 +11,6 @@ if [[ "$CHECK" == "true" ]]; then
   CFG="-DLINT=ON $CFG"
 fi
 
-if uname -s | grep -q Darwin; then
-  CFG="-DENABLE_NLS=OFF -DOPENSSL_ROOT_DIR=/usr/local/opt/openssl $CFG"
-fi
-
 if [[ ! -d build ]]
 then
   mkdir build
diff --git a/cmake/FindFUSE.cmake b/cmake/FindFUSE.cmake
index bb8cb50..b86bbc0 100644
--- a/cmake/FindFUSE.cmake
+++ b/cmake/FindFUSE.cmake
@@ -1,33 +1,39 @@
 # Find the FUSE includes and library
 #
-#  FUSE_INCLUDE_DIR - where to find fuse.h, etc.
-#  FUSE_LIBRARIES   - List of libraries when using FUSE.
-#  FUSE_FOUND       - True if FUSE lib is found.
+# FUSE_INCLUDE_DIR - where to find fuse.h, etc.
+# FUSE_LIBRARIES   - List of libraries when using FUSE.
+# FUSE_ROOT_DIR    - Additional search path.
+# FUSE_FOUND       - True if FUSE lib is found.
 
 # check if already in cache, be silent
-if (FUSE_INCLUDE_DIR)
-        SET (FUSE_FIND_QUIETLY TRUE)
-endif (FUSE_INCLUDE_DIR)
+if (FUSE_INCLUDE_DIR AND FUSE_LIBRARIES)
+    SET (FUSE_FIND_QUIETLY TRUE)
+endif ()
 
 if (APPLE)
     set (FUSE_NAMES libosxfuse.dylib fuse)
     set (FUSE_SUFFIXES osxfuse fuse)
-else (APPLE)
+else ()
     set (FUSE_NAMES fuse refuse)
     set (FUSE_SUFFIXES fuse refuse)
-endif (APPLE)
+endif ()
 
-# find includes
-find_path (FUSE_INCLUDE_DIR fuse.h
-        PATHS /opt /opt/local /usr/pkg
-        PATH_SUFFIXES ${FUSE_SUFFIXES})
+# find include
+find_path (
+    FUSE_INCLUDE_DIR fuse.h
+    PATHS /opt /opt/local /usr /usr/local /usr/pkg ${FUSE_ROOT_DIR} ENV FUSE_ROOT_DIR
+    PATH_SUFFIXES include ${FUSE_SUFFIXES})
 
 # find lib
-find_library (FUSE_LIBRARIES NAMES ${FUSE_NAMES})
+find_library (
+    FUSE_LIBRARIES
+    NAMES ${FUSE_NAMES}
+    PATHS /opt /opt/local /usr /usr/local /usr/pkg ${FUSE_ROOT_DIR} ENV FUSE_ROOT_DIR
+    PATH_SUFFIXES lib)
 
 include ("FindPackageHandleStandardArgs")
-find_package_handle_standard_args ("FUSE" DEFAULT_MSG
+find_package_handle_standard_args (
+    "FUSE" DEFAULT_MSG
     FUSE_INCLUDE_DIR FUSE_LIBRARIES)
 
 mark_as_advanced (FUSE_INCLUDE_DIR FUSE_LIBRARIES)
-