From b484021859c2b395f13163caaa9b877b5284ab07 Mon Sep 17 00:00:00 2001
From: Michael Grunder <michael.grunder@gmail.com>
Date: Mon, 13 Apr 2020 09:32:32 -0700
Subject: Fix USE_SSL=1 make/cmake on OSX and CMake tests (#789)

* Fix linker problems when building with SSL enabled on OSX
* Corrects `HIREDIS_SSL=ON` to `USE_SSL=ON` so we test building with
  SSL enabled on travis.
---
 .travis.yml    | 14 ++++++++++++--
 CMakeLists.txt |  9 +++++++--
 Makefile       |  8 ++++++--
 3 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 727d112..09246f9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,7 +15,7 @@ branches:
     - /^release\/.*$/
 
 before_script:
-    - if [ "$TRAVIS_OS_NAME" == "osx" ] ; then brew update; brew install redis; fi
+    - if [ "$TRAVIS_OS_NAME" == "osx" ] ; then brew update; brew install redis openssl; fi
 
 addons:
   apt:
@@ -27,6 +27,8 @@ addons:
     - libc6-dbg:i386
     - gcc-multilib
     - g++-multilib
+    - libssl-dev
+    - libssl-dev:i386
     - valgrind
 
 env:
@@ -34,7 +36,7 @@ env:
   - BITS="64"
 
 script:
-  - EXTRA_CMAKE_OPTS="-DENABLE_EXAMPLES:BOOL=ON -DHIREDIS_SSL:BOOL=ON";
+  - EXTRA_CMAKE_OPTS="-DENABLE_EXAMPLES:BOOL=ON -DENABLE_SSL:BOOL=ON";
     if [ "$TRAVIS_OS_NAME" == "osx" ]; then
       if [ "$BITS" == "32" ]; then
         CFLAGS="-m32 -Werror";
@@ -58,6 +60,14 @@ script:
       fi;
     fi;
     export CFLAGS CXXFLAGS LDFLAGS TEST_PREFIX EXTRA_CMAKE_OPTS
+  - make && make clean;
+    if [ "$TRAVIS_OS_NAME" == "osx" ]; then
+      if [ "$BITS" == "64" ]; then
+        OPENSSL_PREFIX="$(ls -d /usr/local/Cellar/openssl@1.1/*)" USE_SSL=1 make;
+      fi;
+    else
+      USE_SSL=1 make;
+    fi;
   - mkdir build/ && cd build/
   - cmake .. ${EXTRA_CMAKE_OPTS}
   - make VERBOSE=1
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b402b3d..7844575 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -98,11 +98,16 @@ IF(ENABLE_SSL)
         ssl.c)
     ADD_LIBRARY(hiredis_ssl SHARED
             ${hiredis_ssl_sources})
+
+    IF (APPLE)
+        SET_PROPERTY(TARGET hiredis_ssl PROPERTY LINK_FLAGS "-Wl,-undefined -Wl,dynamic_lookup")
+    ENDIF()
+
     SET_TARGET_PROPERTIES(hiredis_ssl
-        PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS TRUE
+        PROPERTIES
+        WINDOWS_EXPORT_ALL_SYMBOLS TRUE
         VERSION "${HIREDIS_SONAME}")
 
-
     TARGET_INCLUDE_DIRECTORIES(hiredis_ssl PRIVATE "${OPENSSL_INCLUDE_DIR}")
     TARGET_LINK_LIBRARIES(hiredis_ssl PRIVATE ${OPENSSL_LIBRARIES})
     IF (WIN32 OR MINGW)
diff --git a/Makefile b/Makefile
index 2e9f445..c11c9a9 100644
--- a/Makefile
+++ b/Makefile
@@ -87,6 +87,7 @@ ifeq ($(uname_S),Darwin)
   DYLIBSUFFIX=dylib
   DYLIB_MINOR_NAME=$(LIBNAME).$(HIREDIS_SONAME).$(DYLIBSUFFIX)
   DYLIB_MAKE_CMD=$(CC) -dynamiclib -Wl,-install_name,$(PREFIX)/$(LIBRARY_PATH)/$(DYLIB_MINOR_NAME) -o $(DYLIBNAME) $(LDFLAGS)
+  DYLIB_PLUGIN=-Wl,-undefined -Wl,dynamic_lookup
 endif
 
 all: $(DYLIBNAME) $(STLIBNAME) hiredis-test $(PKGCONFNAME)
@@ -113,7 +114,7 @@ $(STLIBNAME): $(OBJ)
 	$(STLIB_MAKE_CMD) $(STLIBNAME) $(OBJ)
 
 $(SSL_DYLIBNAME): $(SSL_OBJ)
-	$(DYLIB_MAKE_CMD) -o $(SSL_DYLIBNAME) $(SSL_OBJ) $(REAL_LDFLAGS) $(SSL_LDFLAGS)
+	$(DYLIB_MAKE_CMD) $(DYLIB_PLUGIN) -o $(SSL_DYLIBNAME) $(SSL_OBJ) $(REAL_LDFLAGS) $(SSL_LDFLAGS)
 
 $(SSL_STLIBNAME): $(SSL_OBJ)
 	$(STLIB_MAKE_CMD) $(SSL_STLIBNAME) $(SSL_OBJ)
@@ -185,9 +186,12 @@ examples: $(EXAMPLES)
 
 TEST_LIBS = $(STLIBNAME)
 ifeq ($(USE_SSL),1)
-    TEST_LIBS += $(SSL_STLIBNAME) -lssl -lcrypto -lpthread
+    TEST_LIBS += $(SSL_STLIBNAME)
+    TEST_LDFLAGS = $(SSL_LDFLAGS) -lssl -lcrypto -lpthread
 endif
+
 hiredis-test: test.o $(TEST_LIBS)
+	$(CC) -o $@ $(REAL_CFLAGS) -I. $^ $(REAL_LDFLAGS) $(TEST_LDFLAGS)
 
 hiredis-%: %.o $(STLIBNAME)
 	$(CC) $(REAL_CFLAGS) -o $@ $< $(TEST_LIBS) $(REAL_LDFLAGS)
-- 
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