diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index d8dbc76..94d2d4b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -40,6 +40,15 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y gcc-${{ matrix.version }} g++-${{ matrix.version }}
 
+      - name: Test installation
+        env:
+          CXX: g++-${{ matrix.version }}
+        run: |
+          cmake -S vir-simd -B cmake-build -DCMAKE_INSTALL_PREFIX:STRING=$HOME/vir-simd-cmake
+          cmake --build cmake-build --target install
+          cd vir-simd && make prefix=$HOME/vir-simd-make install
+          diff -r $HOME/vir-simd-cmake/include $HOME/vir-simd-make/include && echo "cmake and make installations match ✅"
+
       - name: Run test suite
         env:
           CXX: g++-${{ matrix.version }}
@@ -188,4 +197,4 @@ jobs:
         run: cmake -S vir-simd -B build -DCMAKE_BUILD_TYPE:STRING=Release
 
       - name: Compile test
-        run: cmake --build build --config Release
+        run: cmake --build build --config Release --target check
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2721bcd..9ffd3ab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.5)
 project(vir-simd CXX)
 
 # Define main library
@@ -37,10 +37,15 @@ install(
   FILE_PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
   PATTERN "*.cpp" EXCLUDE)
 
+set(CMAKE_CXX_VISIBILITY_PRESET hidden)
+set(CMAKE_VISIBILITY_INLINES_HIDDEN 1)
+
 # Define test targets
-add_library(vir-simd-test-stdlib vir/test.cpp)
+add_library(vir-simd-test-stdlib EXCLUDE_FROM_ALL vir/test.cpp)
 target_link_libraries(vir-simd-test-stdlib PRIVATE vir-simd)
 
-add_library(vir-simd-test-fallback vir/test.cpp)
+add_library(vir-simd-test-fallback EXCLUDE_FROM_ALL vir/test.cpp)
 target_link_libraries(vir-simd-test-fallback PRIVATE vir-simd)
 target_compile_definitions(vir-simd-test-fallback PRIVATE VIR_DISABLE_STDX_SIMD)
+
+add_custom_target(check DEPENDS vir-simd-test-stdlib vir-simd-test-fallback)
diff --git a/Makefile b/Makefile
index 010cd92..12c234d 100644
--- a/Makefile
+++ b/Makefile
@@ -33,14 +33,21 @@ endif
 
 std=$(shell env CXX=$(CXX) ./latest_std_flag.sh)
 
-version=$(shell grep '\<VIR_SIMD_VERSION\>' vir/simd_version.h | \
+version:=$(shell grep '\<VIR_SIMD_VERSION\>' vir/simd_version.h | \
 	sed -e 's/.*0x/0x/' -e 's/'\''//g' | \
 	(read v; echo $$((v/0x10000)).$$((v%0x10000/0x100)).$$((v%0x100));))
 
+version_patchlevel:=$(lastword $(subst ., ,$(version)))
+
+version_info=$(shell test $(version_patchlevel) -lt 100 && echo release || \
+	     (test $(version_patchlevel) -lt 190 && echo development || \
+	     (test $(version_patchlevel) -lt 200 && echo alpha $$(($(version_patchlevel)-189)) || \
+	     echo beta $$(($(version_patchlevel)-199)))))
+
 check: check-extensions check-constexpr_wrapper testsuite-O2 testsuite-Os
 
 debug:
-	@echo "vir::simd_version: $(version)"
+	@echo "vir::simd_version: $(version) ($(version_info))"
 	@echo "build_dir: $(build_dir)"
 	@echo "triplet: $(triplet)"
 	@echo "testflags: $(testflags)"
@@ -80,7 +87,7 @@ testsuite-%: testsuite/$(build_dir)-%/Makefile
 	@cat testsuite/$(build_dir)-$*/.simd.summary && rm testsuite/$(build_dir)-$*/.simd.summary
 
 install:
-	@echo "Installing vir::stdx::simd $(version) to $(includedir)/vir"
+	@echo "Installing vir::stdx::simd $(version) ($(version_info)) to $(includedir)/vir"
 	install -d $(includedir)/vir
 	install -m 644 -t $(includedir)/vir vir/*.h
 
diff --git a/vir/simd_version.h b/vir/simd_version.h
index aa65780..70aa2c3 100644
--- a/vir/simd_version.h
+++ b/vir/simd_version.h
@@ -13,7 +13,11 @@
 #define VIR_HAVE_SPACESHIP 0
 #endif
 
-#define VIR_SIMD_VERSION 0x0'03'64
+//     release >= 0x00
+// development >= 0x64
+//       alpha >= 0xbe
+//        beta >= 0xc8
+#define VIR_SIMD_VERSION 0x0'03'c8
 
 #define VIR_SIMD_VERSION_MAJOR (VIR_SIMD_VERSION / 0x10000)
 
diff --git a/vir/test.cpp b/vir/test.cpp
index 3cb1038..8b61415 100644
--- a/vir/test.cpp
+++ b/vir/test.cpp
@@ -20,8 +20,6 @@
 #define SIMD_IS_CONSTEXPR_ENOUGH 0
 #endif
 
-static_assert(vir::simd_version == vir::simd_version_t{0,3,100});
-static_assert(vir::simd_version <= vir::simd_version_t{0,3,100});
 static_assert(vir::simd_version >= vir::simd_version_t{0,3,100});
 static_assert(vir::simd_version != vir::simd_version_t{0,3,0});
 static_assert(vir::simd_version >= vir::simd_version_t{0,3,0});