CMake: remove macro and fix warnings

CMakeLists.txt

@@ -62,35 +62,16 @@ option(MINIAUDIO_USE_STDINT                    "Use <stdint.h> for sized types"
 option(MINIAUDIO_DEBUG_OUTPUT                  "Enable stdout debug output"          OFF)
 
 
-set(LIBS_TO_INSTALL)
-
-# This assumes that our static library has exactly one .c file and 1 .h file, both named ${prefix.c} and ${prefix.h} respectively
-# prefix is optional and defaults to name
-macro(add_miniaudio_library name relpath)
-    set(prefix ${name})
-    set (extra_args ${ARGN})
-
-    list(LENGTH extra_args extra_count)
-    if (${extra_count} GREATER 0)
-        list(GET extra_args 0 prefix)
-    endif ()
-
-    add_library(${name} STATIC
-        ${relpath}/${prefix}.c
-        ${relpath}/${prefix}.h
-    )
-    # Without this, changes made to LIBS_TO_INSTALL disappear when we return
-    list(APPEND LIBS_TO_INSTALL ${name})
-    set(LIBS_TO_INSTALL ${LIBS_TO_INSTALL} PARENT_SCOPE)
-
-    install(FILES ${relpath}/${prefix}.h
-        DESTINATION include/miniaudio/${relpath})
-        target_include_directories(${name} PUBLIC ${dir})
-endmacro()
 
 # Construct compiler options.
 set(COMPILE_OPTIONS)
 
+# Store libraries to install
+# When installing any header that imports miniaudio.h from a relative path, we
+# need to maintain its place in the directory tree so it can find Miniaudio
+set(LIBS_TO_INSTALL)
+
+
 if(MINIAUDIO_FORCE_CXX AND MINIAUDIO_FORCE_C89)
     message(FATAL_ERROR "MINIAUDIO_FORCE_CXX and MINIAUDIO_FORCE_C89 cannot be enabled at the same time.")
 endif()
@@ -478,8 +459,15 @@ endif()
 
 
 # Static Libraries
-add_miniaudio_library(miniaudio ".")
+add_library(miniaudio STATIC
+    miniaudio.c
+    miniaudio.h
+)
 
+list(APPEND LIBS_TO_INSTALL miniaudio)
+install(FILES miniaudio.h DESTINATION include/miniaudio)
+
+target_include_directories(miniaudio PUBLIC  ${CMAKE_CURRENT_SOURCE_DIR})
 target_compile_options    (miniaudio PRIVATE ${COMPILE_OPTIONS})
 target_compile_definitions(miniaudio PRIVATE ${COMPILE_DEFINES})
 
@@ -494,7 +482,13 @@ if(HAS_LIBVORBIS)
 endif()
 
 if(HAS_LIBVORBIS)
-    add_miniaudio_library(miniaudio_libvorbis extras/decoders/libvorbis)
+    add_library(miniaudio_libvorbis STATIC
+        extras/decoders/libvorbis/miniaudio_libvorbis.c
+        extras/decoders/libvorbis/miniaudio_libvorbis.h
+    )
+
+    list(APPEND LIBS_TO_INSTALL miniaudio_libvorbis)
+    install(FILES extras/decoders/libvorbis/miniaudio_libvorbis.h DESTINATION include/miniaudio/extras/decoders/libvorbis)
 
     target_compile_options    (miniaudio_libvorbis PRIVATE ${COMPILE_OPTIONS})
     target_compile_definitions(miniaudio_libvorbis PRIVATE ${COMPILE_DEFINES})
@@ -513,7 +507,14 @@ if(HAS_LIBOPUS)
 endif()
 
 if(HAS_LIBOPUS)
-    add_miniaudio_library(miniaudio_libopus extras/decoders/libopus)
+    add_library(miniaudio_libopus STATIC
+        extras/decoders/libopus/miniaudio_libopus.c
+        extras/decoders/libopus/miniaudio_libopus.h
+    )
+
+
+    list(APPEND LIBS_TO_INSTALL miniaudio_libopus)
+    install(FILES extras/decoders/libopus/miniaudio_libopus.h DESTINATION include/miniaudio/extras/decoders/libopus)
 
     target_compile_options    (miniaudio_libopus PRIVATE ${COMPILE_OPTIONS})
     target_compile_definitions(miniaudio_libopus PRIVATE ${COMPILE_DEFINES})
@@ -523,8 +524,17 @@ endif()
 
 if (NOT MINIAUDIO_NO_EXTRA_NODES)
     function(add_extra_node name)
-        add_miniaudio_library(miniaudio_${name}_node extras/nodes/ma_${name}_node ma_${name}_node)
+        add_library(miniaudio_${name}_node STATIC
+            extras/nodes/ma_${name}_node/ma_${name}_node.c
+            extras/nodes/ma_${name}_node/ma_${name}_node.h
+        )
+    set(libs "${LIBS_TO_INSTALL}")
+
+    list(APPEND libs miniaudio_${name}_node)
+    set(LIBS_TO_INSTALL "${libs}" PARENT_SCOPE) # without PARENT_SCOPE, any changes are lost
+    install(FILES extras/nodes/ma_${name}_node/ma_${name}_node.h DESTINATION include/miniaudio/extras/nodes/ma_${name}_node)
 
+        target_include_directories(miniaudio_${name}_node PUBLIC  ${CMAKE_CURRENT_SOURCE_DIR}/extras/nodes/ma_${name}_node)
         target_compile_options    (miniaudio_${name}_node PRIVATE ${COMPILE_OPTIONS})
         target_compile_definitions(miniaudio_${name}_node PRIVATE ${COMPILE_DEFINES})
 
@@ -660,12 +670,9 @@ endif()
 
 include(GNUInstallDirs)
 
-
-
-install(
-    TARGETS ${LIBS_TO_INSTALL}
-    LIBRARY DESTINATION  "${CMAKE_INSTALL_LIBDIR}"
-    ARCHIVE DESTINATION  "${CMAKE_INSTALL_LIBDIR}"
-    RUNTIME DESTINATION  "${CMAKE_INSTALL_BINDIR}"
-    INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
-)
\ No newline at end of file
+message(STATUS "Library list: ${LIBS_TO_INSTALL}")
+install(TARGETS ${LIBS_TO_INSTALL}
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)