196 lines
5.8 KiB
Plaintext
196 lines
5.8 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script.
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dnl To: The Ports Teams for the various BSD Distributions
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dnl CC: Anyone else who cares
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dnl From: A FreeBSD user who wrote this autoconf setup.
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dnl
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dnl Please do not use global cflags for zsnes, they are
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dnl not optimized. This has been tested on very many
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dnl different processors of the x86 architecture, and
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dnl this has been proven correct, and I doubt you want
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dnl to annoy your users by having ports build un-
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dnl optimized binaries.
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dnl See also: remarks supplied in the debug checking area below
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AC_INIT(init.asm)
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AC_CONFIG_HEADER(config.h)
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ISODATE=`date +%Y-%m-%d`
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AC_SUBST(ISODATE)
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VERSION=1.36
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AC_SUBST(VERSION)
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AC_ARG_WITH(nasm-prefix,[ --with-nasm-prefix=PFX Prefix where nasm is installed (optional)], nasm_prefix="$withval", nasm_prefix="")
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dnl -- Where is our compiler, and who are we compiling for?
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CFLAGS="$CFLAGS -pipe -I. -Wall -I/usr/local/include -I/usr/include"
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dnl -- You might wanna change -I/usr/include if you're trying to do this with
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dnl Mingw, because it doesnt have a standard file tree. Maybe if ming do this
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dnl else do -I/usr/include. Or some shit. You figure it out.
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LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/lib"
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dnl -- Same thing here.
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AC_CANONICAL_SYSTEM
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AC_PROG_CC
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AC_CHECK_TOOL(NASMPATH,nasm,"no",$nasm_prefix:$PATH)
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if test x$NASMPATH = xno; then
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AC_MSG_ERROR(You need NASM installed to compile ZSNES)
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fi
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NFLAGS="$NFLAGS -w-orphan-labels"
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AC_PROG_INSTALL
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case "$target" in
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*-*-linux*)
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CFLAGS="$CFLAGS -D__LINUX__"
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NFLAGS="$NFLAGS -D__LINUX__ -f elf -DELF"
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;;
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*-*-*openbsd*)
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CFLAGS="$CFLAGS -D__LINUX__ -D__FreeBSD__"
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NFLAGS="$NFLAGS -D__LINUX__ -D__FreeBSD__ -D__OpenBSD__ -f aoutb"
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;;
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*-*-*bsd*)
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CFLAGS="$CFLAGS -D__LINUX__ -D__FreeBSD__"
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NFLAGS="$NFLAGS -D__LINUX__ -D__FreeBSD__ -DELF -f elf"
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;;
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*-*-cygwin* | *-*-*ming*)
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CFLAGS="$CFLAGS -D__LINUX__"
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NFLAGS="$NFLAGS -D__LINUX__ -f win32"
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;;
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*)
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AC_MSG_ERROR(This Target is Not Supported)
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;;
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esac
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dnl Checks for libraries.
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dnl -- Where is libSDL and zlib, and do we want/have libPNG and OpenGL support?
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AM_PATH_SDL(1.2.0,,[AC_MSG_ERROR(SDL >= 1.2.0 is required)])
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AM_PATH_ZLIB(1.1.0,,[AC_MSG_ERROR(ZLIB >= 1.1.0 is required)])
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AM_PATH_LIBPNG(1.0.0,,)
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CFLAGS="$CFLAGS $SDL_CFLAGS $ZLIB_CFLAGS $LIBPNG_CFLAGS"
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LDFLAGS="$LDFLAGS $SDL_LIBS $ZLIB_LIBS $LIBPNG_LIBS"
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if test x$with_libpng != xyes; then
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CFLAGS="$CFLAGS -DNO_PNG"
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NFLAGS="$NFLAGS -DNO_PNG"
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fi
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dnl -- opengl stuff
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AC_ARG_ENABLE(opengl,[ --disable-opengl Build without opengl support],,enable_opengl=yes)
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AC_ARG_WITH(opengl-prefix,[ --with-opengl-prefix=PFX Prefix where opengl is installed (optional)], opengl_prefix="$withval", opengl_prefix="")
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if test x$enable_opengl != xno; then
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AC_PATH_X
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if test x$opengl_prefix != x; then
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CFLAGS="$CFLAGS -I$opengl_prefix/include"
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LDFLAGS-"$LDFLAGS -L$opengl_prefix/lib"
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fi
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LDFLAGS="$LDFLAGS -L$x_libraries"
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AC_CHECK_LIB(GL, glGetError,found_opengl="yes",,)
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if test x$found_opengl = xyes; then
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echo checking for OpenGL... yes
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LDFLAGS="$LDFLAGS -lGL"
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CFLAGS="$CFLAGS -D__OPENGL__"
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NFLAGS="$NFLAGS -D__OPENGL__"
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GL_DRAW="\${WINDIR}/gl_draw.o"
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else
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echo checking for OpenGL... no
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fi
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else
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echo checking for OpenGL... disabled by user
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fi
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dnl --
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dnl -- Various debug and optimization option checks
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AC_ARG_ENABLE(debug, [ --enable-debug Build GDB Friendly binary (zsnesd) ],debug=yes)
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AC_MSG_CHECKING(if you want gdb friendly executable)
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if test x$debug = xyes; then
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AC_MSG_RESULT(yes)
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dnl It is actually easier to debug zsnes with no optimization
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dnl enabled.
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CFLAGS="$CFLAGS -DDEBUG -O0 -fno-omit-frame-pointer -ggdb3"
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NFLAGS="$NFLAGS -DDEBUG -g -s"
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ZSNESEXE="zsnesd"
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else
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AC_MSG_RESULT(no)
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dnl DONT TOUCH THESE CFLAGS! THESE ARE OPTIMIZED!
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dnl Because of the way zsnes is written, these options make
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dnl zsnes more easily deal with small instruction caches, and more
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dnl effectivly use branch prediction.
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CFLAGS="$CFLAGS -O3 -funroll-loops -ffast-math -fomit-frame-pointer -fexpensive-optimizations -fcse-follow-jumps -fcse-skip-blocks -frerun-cse-after-loop -fstrength-reduce -finline-functions -fforce-mem -fschedule-insns2 -s"
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ZSNESEXE="zsnes"
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fi
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AC_MSG_CHECKING(which processor class to optimize for)
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if test x$debug != xyes; then
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case "$target" in
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i486-*-*)
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CFLAGS="$CFLAGS -march=i486"
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AC_MSG_RESULT(486)
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;;
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i586-*-*)
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CFLAGS="$CFLAGS -march=pentium"
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AC_MSG_RESULT(Pentium)
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;;
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i686-*-*)
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CFLAGS="$CFLAGS -march=pentiumpro"
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AC_MSG_RESULT(PPro/P2)
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;;
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*)
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AC_MSG_RESULT(386)
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AC_MSG_WARN(*** This is probably not what you want use --target)
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;;
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esac
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else
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AC_MSG_RESULT(no optimization because debug enabled)
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fi
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dnl Checks for header files.
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AC_HEADER_STDC
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AC_HEADER_MAJOR
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dnl Checks for library functions.
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AC_SUBST(ZSNESEXE)
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AC_SUBST(GL_DRAW)
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AC_SUBST(NFLAGS)
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AC_SUBST(NASMPATH)
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AC_OUTPUT(Makefile)
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echo
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echo
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echo ZSNES v$VERSION
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echo
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echo "SDL support Version `$SDL_CONFIG --version`"
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echo "NASM support `nasm -r`"
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echo "ZLib support Version $ZLIB_VERSION"
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if test "$with_libpng" = "yes"; then
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echo "PNG support (png screenshots) Yes, version $LIBPNG_VERSION"
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elif test "$enable_libpng" = "no"; then
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echo "PNG support Disabled by user"
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else
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echo "PNG support Disabled, library not found"
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fi
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if test "$found_opengl" = "yes"; then
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echo "OpenGL support Yes"
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elif test "$enable_opengl" = "no"; then
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echo "OpenGL support Disabled by user"
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else
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echo "OpenGL support Disabled, library not found"
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fi
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echo
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echo The binary will be installed in $prefix/bin
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echo
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echo Configure complete, now type \'make\' and pray.
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echo
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