FindOpenSSL: Add support for version-range

5 files changed, 83 insertions, 0 deletions

diff --git a/Tests/RunCMake/FindOpenSSL/CMakeLists.txt b/Tests/RunCMake/FindOpenSSL/CMakeLists.txt
new file mode 100644
index 0000000..4fc11ae
--- /dev/null
+++ b/Tests/RunCMake/FindOpenSSL/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 3.19...3.20)
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/FindOpenSSL/RunCMakeTest.cmake b/Tests/RunCMake/FindOpenSSL/RunCMakeTest.cmake
new file mode 100644
index 0000000..f941a85
--- /dev/null
+++ b/Tests/RunCMake/FindOpenSSL/RunCMakeTest.cmake
@@ -0,0 +1,5 @@
+include(RunCMake)
+
+run_cmake(version)
+run_cmake(version-exact)
+run_cmake(version-range)
diff --git a/Tests/RunCMake/FindOpenSSL/version-exact.cmake b/Tests/RunCMake/FindOpenSSL/version-exact.cmake
new file mode 100644
index 0000000..29c2ce3
--- /dev/null
+++ b/Tests/RunCMake/FindOpenSSL/version-exact.cmake
@@ -0,0 +1,19 @@
+cmake_minimum_required (VERSION 3.19...3.20)
+
+find_package (OpenSSL REQUIRED COMPONENTS Crypto)
+# Store version without a possibly trailing letter.
+string (REGEX MATCH "^([0-9.]+)" version "${OPENSSL_VERSION}")
+
+# clean-up OpenSSL variables
+unset (OPENSSL_INCLUDE_DIR)
+unset (OPENSSL_CRYPTO_LIBRARY)
+unset (OPENSSL_CRYPTO_LIBRARIES)
+unset (OPENSSL_LIBRARIES)
+unset (OPENSSL_VERSION)
+unset (OPENSSL_FOUND)
+
+
+find_package (OpenSSL ${version} EXACT COMPONENTS Crypto)
+if (NOT OPENSSL_FOUND)
+  message (FATAL_ERROR "Failed to find OpenSSL with version ${version} EXACT")
+endif()
diff --git a/Tests/RunCMake/FindOpenSSL/version-range.cmake b/Tests/RunCMake/FindOpenSSL/version-range.cmake
new file mode 100644
index 0000000..9390032
--- /dev/null
+++ b/Tests/RunCMake/FindOpenSSL/version-range.cmake
@@ -0,0 +1,37 @@
+cmake_minimum_required (VERSION 3.19...3.20)
+
+find_package (OpenSSL REQUIRED COMPONENTS Crypto)
+# Store version without a possibly trailing letter.
+string (REGEX MATCH "^([0-9.]+)" version "${OPENSSL_VERSION}")
+
+# clean-up OpenSSL variables
+unset (OPENSSL_INCLUDE_DIR)
+unset (OPENSSL_CRYPTO_LIBRARY)
+unset (OPENSSL_CRYPTO_LIBRARIES)
+unset (OPENSSL_LIBRARIES)
+unset (OPENSSL_VERSION)
+unset (OPENSSL_FOUND)
+
+## Specify a range including current OpenSSL version
+string (REGEX MATCH "^([0-9]+)" upper_version "${version}")
+math (EXPR upper_version "${upper_version} + 1")
+
+find_package (OpenSSL 0.9...${upper_version}.0 COMPONENTS Crypto)
+if (NOT OPENSSL_FOUND)
+  message (FATAL_ERROR "Failed to find OpenSSL with version range 0.9...${upper_version}.0")
+endif()
+
+# clean-up OpenSSL variables
+unset (OPENSSL_INCLUDE_DIR)
+unset (OPENSSL_CRYPTO_LIBRARY)
+unset (OPENSSL_CRYPTO_LIBRARIES)
+unset (OPENSSL_LIBRARIES)
+unset (OPENSSL_VERSION)
+unset (OPENSSL_FOUND)
+
+## Specify a range excluding current OpenSSL version
+set (range 0.9...<${version})
+find_package (OpenSSL ${range} COMPONENTS Crypto)
+if (OPENSSL_FOUND)
+  message (FATAL_ERROR "Unexpectedly find OpenSSL with version range ${range}")
+endif()
diff --git a/Tests/RunCMake/FindOpenSSL/version.cmake b/Tests/RunCMake/FindOpenSSL/version.cmake
new file mode 100644
index 0000000..d06cd1f
--- /dev/null
+++ b/Tests/RunCMake/FindOpenSSL/version.cmake
@@ -0,0 +1,19 @@
+cmake_minimum_required (VERSION 3.19...3.20)
+
+find_package (OpenSSL REQUIRED COMPONENTS Crypto)
+# Store version without a possibly trailing letter.
+string (REGEX MATCH "^([0-9.]+)" version "${OPENSSL_VERSION}")
+
+# clean-up OpenSSL variables
+unset (OPENSSL_INCLUDE_DIR)
+unset (OPENSSL_CRYPTO_LIBRARY)
+unset (OPENSSL_CRYPTO_LIBRARIES)
+unset (OPENSSL_LIBRARIES)
+unset (OPENSSL_VERSION)
+unset (OPENSSL_FOUND)
+
+
+find_package (OpenSSL ${version} COMPONENTS Crypto)
+if (NOT OPENSSL_FOUND)
+  message (FATAL_ERROR "Failed to find OpenSSL with version ${version}")
+endif()