build: Remove HAVE_DLOPEN

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

Android.common.mk

@@ -64,7 +64,6 @@ LOCAL_CFLAGS += \
 	-DHAVE___BUILTIN_UNREACHABLE \
 	-DHAVE_PTHREAD=1 \
 	-DHAVE_DLADDR \
-	-DHAVE_DLOPEN \
 	-DHAVE_DL_ITERATE_PHDR \
 	-DMAJOR_IN_SYSMACROS \
 	-fvisibility=hidden \

configure.ac

@@ -831,9 +831,9 @@ AC_LINK_IFELSE([AC_LANG_SOURCE([[
 
 dnl Check to see if dlopen is in default libraries (like Solaris, which
 dnl has it in libc), or if libdl is needed to get it.
-AC_CHECK_FUNC([dlopen], [DEFINES="$DEFINES -DHAVE_DLOPEN"],
+AC_CHECK_FUNC([dlopen], [],
     [AC_CHECK_LIB([dl], [dlopen],
-       [DEFINES="$DEFINES -DHAVE_DLOPEN"; DLOPEN_LIBS="-ldl"])])
+       [DLOPEN_LIBS="-ldl"])])
 AC_SUBST([DLOPEN_LIBS])
 
 dnl Check if that library also has dladdr

meson.build

@@ -264,7 +264,6 @@ if cc.has_function('dlopen')
 else
   dep_dl = cc.find_library('dl')
 endif
-pre_args += '-DHAVE_DLOPEN'
 
 if not cc.has_function('dladdr', dependencies : dep_dl)
   error('dl library doesn\'t have dladdr')

src/mesa/SConscript

@@ -31,10 +31,6 @@ if env['platform'] == 'windows':
     if not env['gles']:
         # prevent _glapi_* from being declared __declspec(dllimport)
         env.Append(CPPDEFINES = ['_GLAPI_NO_EXPORTS'])
-else:
-    env.Append(CPPDEFINES = [
-        ('HAVE_DLOPEN', '1'),
-    ])
 
 # parse Makefile.sources
 source_lists = env.ParseSourceList('Makefile.sources')