mirror of https://code.videolan.org/videolan/vlc
122 lines
3.0 KiB
Plaintext
122 lines
3.0 KiB
Plaintext
dnl Macros needed for VLC
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dnl ===========================================================================
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dnl Macros to add plugins or builtins and handle their flags
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m4_pattern_allow([^PKG_CONFIG(_LIBDIR)?$])
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AC_DEFUN([VLC_ADD_PLUGIN], [
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m4_foreach_w([element], [$1], [
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AC_SUBST([LTLIB]element, [lib]element[_plugin.la])
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])
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])
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AC_DEFUN([VLC_ADD_CPPFLAGS], [
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m4_foreach_w([element], [$1], [
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[eval "CPPFLAGS_]element[="'"$'"{CPPFLAGS_]element[} $2"'"']
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AC_SUBST([CPPFLAGS_]element)
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])
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])
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AC_DEFUN([VLC_ADD_CFLAGS], [
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m4_foreach_w([element], [$1], [
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[eval "CFLAGS_]element[="'"$'"{CFLAGS_]element[} $2"'"']
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AC_SUBST([CFLAGS_]element)
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])
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])
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AC_DEFUN([VLC_ADD_CXXFLAGS], [
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m4_foreach_w([element], [$1], [
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[eval "CXXFLAGS_]element[="'"$'"{CXXFLAGS_]element[} $2"'"']
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AC_SUBST([CXXFLAGS_]element)
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])
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])
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AC_DEFUN([VLC_ADD_OBJCFLAGS], [
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m4_foreach_w([element], [$1], [
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[eval "OBJCFLAGS_]element[="'"$'"{OBJCFLAGS_]element[} $2"'"']
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AC_SUBST([OBJCFLAGS_]element)
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])
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])
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AC_DEFUN([VLC_ADD_LDFLAGS], [
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m4_foreach_w([element], [$1], [
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[eval "LDFLAGS_]element[="'"$2 $'"{LDFLAGS_]element[}"'"']
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AC_SUBST([LDFLAGS_]element)
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])
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])
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AC_DEFUN([VLC_ADD_LIBS], [
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m4_foreach_w([element], [$1], [
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[eval "LIBS_]element[="'"'"$2 "'$'"{LIBS_]element[}"'"']
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AC_SUBST([LIBS_]element)
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])
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])
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dnl ===========================================================================
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dnl Macros to save and restore default flags
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AC_DEFUN([VLC_SAVE_FLAGS], [
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CPPFLAGS_save="${CPPFLAGS}"
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CFLAGS_save="${CFLAGS}"
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CXXFLAGS_save="${CXXFLAGS}"
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OBJCFLAGS_save="${OBJCFLAGS}"
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LDFLAGS_save="${LDFLAGS}"
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LIBS_save="${LIBS}"
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])
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AC_DEFUN([VLC_RESTORE_FLAGS], [
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CPPFLAGS="${CPPFLAGS_save}"
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CFLAGS="${CFLAGS_save}"
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CXXFLAGS="${CXXFLAGS_save}"
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OBJCFLAGS="${OBJCFLAGS_save}"
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LDFLAGS="${LDFLAGS_save}"
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LIBS="${LIBS_save}"
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])
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dnl ===========================================================================
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dnl Macros for shared object handling (TODO)
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AC_DEFUN([VLC_LIBRARY_SUFFIX], [
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AC_MSG_CHECKING(for shared objects suffix)
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case "${host_os}" in
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darwin*)
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LIBEXT=".dylib"
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;;
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*mingw32* | *cygwin* | *wince* | *mingwce* | *os2*)
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LIBEXT=".dll"
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;;
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hpux*)
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LIBEXT=".sl"
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;;
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emscripten*)
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LIBEXT=".wasm"
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;;
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*)
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LIBEXT=".so"
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;;
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esac
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AC_MSG_RESULT(${LIBEXT})
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AC_DEFINE_UNQUOTED(LIBEXT, "${LIBEXT}", [Dynamic object extension])
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])
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dnl ===========================================================================
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dnl Custom macros for checking functions with inline fallback, for mingw32/64
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dnl VLC_REPLACE_DECL([funcname], [include])
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AC_DEFUN([VLC_REPLACE_DECL], [
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AS_VAR_PUSHDEF([CACHEVAR], [vlc_cv_replace_decl] AS_TR_SH([$1]))
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AC_CACHE_VAL(CACHEVAR, [
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AC_CHECK_DECL(
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[$1],
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AS_VAR_SET(CACHEVAR, [yes]),
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AS_VAR_SET(CACHEVAR, [no]),
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[$2]
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)
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])
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AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes],
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[AC_DEFINE(AS_TR_CPP([HAVE_$1]), [1], [Define to 1 if you have $1 function])],
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[AC_LIBOBJ([$1])])
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AS_VAR_POPDEF([CACHEVAR])
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])
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