1AC_INIT([s2tc], [0.1], [divVerent@xonotic.org]) 2AC_CONFIG_MACRO_DIR([m4]) 3AM_INIT_AUTOMAKE([-Wall foreign]) 4 5have_CXXFLAGS=${CXXFLAGS+set} 6AC_PROG_CXX 7AM_PROG_AR 8# better default optimization flags for g++, please 9if test "$have_CXXFLAGS" != set; then 10 if test "$GXX" = yes; then 11 CXXFLAGS="-g -O3" 12 fi 13fi 14 15AC_PROG_LIBTOOL 16 17# Disable dependency on libstdc++ for the .so library. 18postdeps_CXX=`echo " $postdeps_CXX " | sed 's, -lstdc++ , ,g'` 19 20AC_ARG_ENABLE(runtime-linking, AS_HELP_STRING([--disable-runtime-linking], [Do not load the library at runtime (faster startup, more dependencies)]), [enable_runtime_linking=$enableval], [enable_runtime_linking=yes]) 21AC_ARG_ENABLE(tools, AS_HELP_STRING([--disable-tools], [Do not build the s2tc_compress and s2_decompress tools]), [enable_tools=$enableval], [enable_tools=yes]) 22AC_ARG_ENABLE(lib, AS_HELP_STRING([--disable-lib], [Do not build the included libtxc_dxtn library for S2TC]), [enable_lib=$enableval], [enable_lib=yes]) 23 24AM_CONDITIONAL(ENABLE_RUNTIME_LINKING, [test x"$enable_runtime_linking" != xno]) 25AM_CONDITIONAL(ENABLE_TOOLS, [test x"$enable_tools" != xno]) 26AM_CONDITIONAL(ENABLE_LIB, [test x"$enable_lib" != xno]) 27 28AC_CHECK_HEADERS([GL/gl.h], , [AC_MSG_ERROR([OpenGL includes not found])]) 29 30AS_IF([test x"$enable_runtime_linking" = xno], , 31 [AS_IF([test x"$enable_dlopen" != xno], , 32 [AC_MSG_ERROR([dynamic linking not possible, try --disable-runtime-linking])])]) 33 34if test x"$enable_runtime_linking" = xyes; then 35 case "$host_os" in 36 linux*) 37 LIBDL_LDADD='-ldl' 38 ;; 39 esac 40fi 41AC_SUBST(LIBDL_LDADD) 42 43AC_CONFIG_FILES([Makefile txc_dxtn.pc]) 44 45AC_OUTPUT 46