Use libtool to build our libraries. It’s really more convenient.

build/autotools/m4/lol-conf.m4

@@ -250,15 +250,14 @@ AC_DEFUN([LOL_AC_FINI], [
 dnl  How to use the Lol Engine outside this tree
 LOL_CFLAGS="$LOL_CFLAGS $SDL_CFLAGS $GL_CFLAGS $EGL_CFLAGS $LIBPNG_CFLAGS"
 LOL_LIBS="$LOL_LIBS $SDL_LIBS $GL_LIBS $EGL_LIBS $LIBPNG_LIBS $D3D_LIBS"
-LOL_DEPS="${LOL_DEPS} \$(lol_builddir)/src/liblol-core.a"
-LOL_LUA_DEPS="${LOL_LUA_DEPS} \$(lol_builddir)/src/3rdparty/liblol-lua.a"
+LOL_DEPS="${LOL_DEPS} \$(lol_builddir)/src/liblol-core.la"
+LOL_LUA_DEPS="${LOL_LUA_DEPS} \$(lol_builddir)/src/3rdparty/liblol-lua.la"
 
 dnl  How to use the Lol Engine inside this tree
 AM_CPPFLAGS="${AM_CPPFLAGS} -I\$(lol_srcdir)/lol/include"
 AM_CPPFLAGS="${AM_CPPFLAGS} -I\$(lol_srcdir)/src"
 AM_CPPFLAGS="${AM_CPPFLAGS} -DLOL_CONFIG_SOURCESUBDIR=\\\"\$(subdir)\\\""
 AM_CPPFLAGS="${AM_CPPFLAGS} ${LOL_CFLAGS}"
-AM_LDFLAGS="${AM_LDFLAGS} ${LOL_DEPS}"
 AM_LDFLAGS="${AM_LDFLAGS} ${LOL_LIBS}"
 
 dnl  Extra flags

build/lol-build

@@ -287,8 +287,8 @@ build()
         win*-i386)
             # Because of locking issues in Wine’s winepath.exe, we only
             # build the static libraries in parallel.
-            make -j$LOL_PARALLEL -C src/3rdparty liblol-lua.a
-            make -j$LOL_PARALLEL -C src/ liblol-core.a
+            make -j$LOL_PARALLEL -C src/3rdparty liblol-lua.la
+            make -j$LOL_PARALLEL -C src liblol-core.la
             make
             ;;
         *)

src/3rdparty/Makefile.am

@@ -1,15 +1,15 @@
 
 include $(top_srcdir)/build/autotools/common.am
 
-noinst_LIBRARIES = liblol-lua.a
+noinst_LTLIBRARIES = liblol-lua.la
 
 # Only remove flags that were actually set, because we don't know
 # what the compiler actually accepts.
 disable_cflags_lua = $(filter $(AM_CPPFLAGS:-W%=-Wno-%), \
     -Wno-cast-qual)
 
-liblol_lua_a_SOURCES = $(lua_sources)
-liblol_lua_a_CPPFLAGS = $(AM_CPPFLAGS) -DLUA_ANSI $(disable_cflags_lua)
+liblol_lua_la_SOURCES = $(lua_sources)
+liblol_lua_la_CPPFLAGS = $(AM_CPPFLAGS) -DLUA_ANSI $(disable_cflags_lua)
 
 include lol-lua.am
 

src/Makefile.am

@@ -1,13 +1,14 @@
 
 include $(top_srcdir)/build/autotools/common.am
 
-SUBDIRS = 3rdparty data . t
+SUBDIRS = . 3rdparty data t
 
-noinst_LIBRARIES = liblol-core.a
+# Convenience library; needs to be marked noinst
+noinst_LTLIBRARIES = liblol-core.la
 
 EXTRA_DIST += lol-core.vcxproj lol-core.vcxproj.filters
 
-liblol_core_a_SOURCES = \
+liblol_core_la_SOURCES = \
     lolgl.h scene.cpp scene.h font.cpp font.h \
     textureimage.cpp textureimage.h textureimage-private.h \
     tileset.cpp tileset.h video.cpp video.h \
@@ -24,7 +25,7 @@ liblol_core_a_SOURCES = \
     $(sdl_sources) \
     $(d3d9_sources) \
     $(android_sources)
-liblol_core_a_CPPFLAGS = $(AM_CPPFLAGS) -I$(srcdir)/3rdparty/lua/src
+liblol_core_la_CPPFLAGS = $(AM_CPPFLAGS) -I$(srcdir)/3rdparty/lua/src
 
 liblol_core_headers = \
     lol/engine-internal.h lol/engine.h lol/public.h lol/extras.h \