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291 lines
7.0 KiB
291 lines
7.0 KiB
4 years ago
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dnl Process this file with 'autoconf' to produce a 'configure' script
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dnl $Id: configure.in 409 2004-07-06 19:22:39Z garland $
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AC_REVISION($Revision: 1.19 $)
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AC_INIT(include/gfx/gfx.h)
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AC_CONFIG_HEADER(include/gfx/config.h)
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sys=`uname`
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dnl ----------------------------------------------------------------------
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dnl --
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dnl -- Handle command line options
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dnl --
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AC_ARG_WITH(libtiff-lzw,
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[ --with-libtiff-lzw Use the libtiff LZW compression kit],
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AC_DEFINE(HAVE_LIBTIFF_LZW))
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AC_ARG_WITH(local,
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[ --with-local[=DIR] Use libraries in DIR (default /usr/local)],
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[if test $withval = "yes"; then withval="/usr/local"; fi
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CPPFLAGS="-I${withval}/include"
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LDFLAGS="-L${withval}/lib"])
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AC_ARG_ENABLE(gzstream,
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[ --enable-gzstream Allow for automatic (de)compression])
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if test "$enable_gzstream" = "yes"; then
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AC_DEFINE(HAVE_GZSTREAM)
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fi
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AC_ARG_ENABLE(warnings,
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[ --disable-warnings Disable GCC warning (default to on)],
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[],
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[enable_warnings="yes"])
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case $sys in
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CYGWIN*|cygwin*)
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AC_ARG_ENABLE(cygwin,
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[ --enable-cygwin Use the Cygwin libraries (default=yes)])
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if test "$enable_cygwin" = "no"; then
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CFLAGS="$CFLAGS -mno-cygwin"
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CPPFLAGS="$CPPFLAGS -mno-cygwin"
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CXXFLAGS="$CXXFLAGS -mno-cygwin"
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fi
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;;
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esac
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dnl ----------------------------------------------------------------------
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dnl --
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dnl -- Check for programs that the build process needs
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dnl --
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AC_PROG_CC
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AC_PROG_CPP
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AC_PROG_CXX
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AC_PROG_CXXCPP
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AC_PROG_RANLIB
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AC_LANG_CPLUSPLUS
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AC_PATH_PROG(RM, rm)
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AC_CHECK_PROG(FLTKCONFIG, fltk-config, fltk-config, :)
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dnl -- It might be good to write a more thorough test here
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if test $GCC = "yes"; then
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CC_DEPEND="\$(CC) -M"
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CXX_DEPEND="\$(CXX) -M"
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else
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CC_DEPEND="makedepend"
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CXX_DEPEND="makedepend"
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fi
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AC_SUBST(CC_DEPEND)
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AC_SUBST(CXX_DEPEND)
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dnl -- If we're using GCC, turn on warnings unless disabled
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if test $GCC = "yes" -a "$enable_warnings" = "yes"; then
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warning="-Wall -Wno-sign-compare"
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CPPFLAGS="$CPPFLAGS $warning"
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fi
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dnl ----------------------------------------------------------------------
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dnl --
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dnl -- Check for libraries
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dnl --
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AC_CHECK_LIB(m, sqrt)
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dnl -- Save the basic (non-GUI) compilation configuration
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BASE_LIBS=${LIBS}
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BASE_CFLAGS=${CFLAGS}
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BASE_CXXFLAGS=${CXXFLAGS}
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BASE_LDFLAGS=${LDFLAGS}
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IMG_LIBS=""
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AC_SUBST(IMG_LIBS)
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dnl -- We pass IMG_LIBS as need libraries to these check because libtiff
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dnl -- can be compiled to use both libz and libjpeg.
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AC_CHECK_LIB(z, zlibVersion, AC_DEFINE(HAVE_LIBZ) \
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IMG_LIBS="$IMG_LIBS -lz", , $IMG_LIBS)
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AC_CHECK_LIB(jpeg, jpeg_start_compress, AC_DEFINE(HAVE_LIBJPEG) \
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IMG_LIBS="$IMG_LIBS -ljpeg", , $IMG_LIBS)
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AC_CHECK_LIB(tiff, TIFFOpen, AC_DEFINE(HAVE_LIBTIFF) \
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IMG_LIBS="$IMG_LIBS -ltiff", , $IMG_LIBS)
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AC_CHECK_LIB(png, png_read_image, AC_DEFINE(HAVE_LIBPNG) \
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IMG_LIBS="$IMG_LIBS -lpng", , $IMG_LIBS)
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dnl -- Check for OpenGL headers and libraries
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AC_CHECK_HEADERS([GL/gl.h OpenGL/gl.h], [break])
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AC_CHECK_HEADERS([GL/glu.h OpenGL/glu.h], [break])
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dnl -- OpenGL Extension headers
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AC_CHECK_HEADERS(GL/glext.h GL/glxext.h GL/wglext.h OpenGL/glext.h,
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[], [],
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[#if HAVE_GL_GL_H
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#include <GL/gl.h>
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#elif HAVE_OPENGL_GL_H
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#include <OpenGL/gl.h>
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#endif
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])
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case $sys in
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Darwin*)
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AC_DEFINE(HAVE_OPENGL, "OpenGL")
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AC_DEFINE(HAVE_POLYOFFSET)
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GL_LIBS="-framework AGL -framework OpenGL"
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X_CORE="-framework Carbon -framework ApplicationServices"
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X_DCORE="$X_CORE"
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X_PRE_LIBS=""
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X_EXTRA_LIBS=""
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AC_SUBST(X_CFLAGS)
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AC_SUBST(X_LIBS)
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AC_SUBST(X_PRE_LIBS)
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AC_SUBST(X_EXTRA_LIBS)
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;;
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CYGWIN*|cygwin*)
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CPPFLAGS="${CPPFLAGS} -DWIN32"
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AC_DEFINE(HAVE_OPENGL, "OpenGL")
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AC_DEFINE(HAVE_POLYOFFSET)
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GL_LIBS="-lopengl32 -lglu32"
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X_DCORE="-lkernel32 -luser32 -lgdi32 -lcomdlg32 -lole32 -luuid -lcomctl32 -lwsock32"
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X_CORE="-mwindows -lole32 -luuid -lcomctl32 -lwsock32"
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X_PRE_LIBS=""
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X_EXTRA_LIBS=""
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AC_SUBST(X_CFLAGS)
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AC_SUBST(X_LIBS)
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AC_SUBST(X_PRE_LIBS)
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AC_SUBST(X_EXTRA_LIBS)
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;;
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*)
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AC_PATH_XTRA
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CFLAGS="${CFLAGS} ${X_CFLAGS}"
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CXXFLAGS="${CXXFLAGS} ${X_CFLAGS}"
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LIBS="${X_PRE_LIBS} -lX11 ${X_EXTRA_LIBS} ${LIBS}"
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LDFLAGS="${LDFLAGS} ${X_LIBS}"
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X_CORE="-lX11 -lXext"
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X_DCORE="$X_CORE"
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glneeds="$X_CORE $X_EXTRA_LIBS"
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AC_CHECK_LIB(GL, glBegin, \
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AC_DEFINE(HAVE_OPENGL, "OpenGL") GL_LIBS="-lGL -lGLU", \
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AC_CHECK_LIB(MesaGL, glBegin, \
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[AC_DEFINE(HAVE_OPENGL, "Mesa")
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GL_LIBS="-lMesaGL -lMesaGLU"], ,$glneeds),$glneeds)
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LIBS="${GL_LIBS} $glneeds"
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dnl -- Check for OpenGL extensions
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AC_CHECK_FUNC(glPolygonOffset, AC_DEFINE(HAVE_POLYOFFSET))
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AC_CHECK_FUNC(glPolygonOffsetEXT, AC_DEFINE(HAVE_POLYOFFSET_EXT))
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;;
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esac
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AC_SUBST(X_CORE)
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AC_SUBST(X_DCORE)
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AC_SUBST(GL_LIBS)
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dnl -- Check for FLTK
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dnl We use custom AC_TRY_LINK tests because AC_CHECK_LIB can't really
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dnl properly handle C++ name mangling.
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FLTK_LIBS="-lfltk"
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AC_MSG_CHECKING(for FLTK library)
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save_libs=$LIBS
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LIBS="$FLTK_LIBS $X_CORE $LIBS"
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AC_TRY_LINK(
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[#include <FL/Fl.H>],
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[Fl::run();],
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[AC_DEFINE(HAVE_FLTK)
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AC_MSG_RESULT(yes)],
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[AC_MSG_RESULT(no)
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FLTK_LIBS=""])
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LIBS=$save_libs
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AC_MSG_CHECKING(for FLTK GL support)
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save_libs=$LIBS
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LIBS="$FLTK_LIBS $GL_LIBS $X_CORE $LIBS"
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AC_TRY_LINK(
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[#include <FL/Fl.H>
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#include <FL/Fl_Gl_Window.H>],
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[Fl_Gl_Window win(640,480);],
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[AC_DEFINE(HAVE_FLTK_GL)
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AC_MSG_RESULT(in libfltk)],
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[FLTK_LIBS="-lfltk_gl $FLTK_LIBS"
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LIBS="$FLTK_LIBS $GL_LIBS $X_CORE $save_libs"
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AC_TRY_LINK(
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[#include <FL/Fl.H>
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#include <FL/Fl_Gl_Window.H>],
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[Fl_Gl_Window win(640,480);],
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[AC_DEFINE(HAVE_FLTK_GL)
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AC_MSG_RESULT(in libfltk_gl)],
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[FLTK_LIBS="-lfltk"
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AC_MSG_RESULT(no)])])
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LIBS=$save_libs
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AC_SUBST(FLTK_LIBS)
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dnl -- Restore non-GUI compilation settings
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LIBS=${BASE_LIBS}
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CFLAGS=${BASE_CFLAGS}
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CXXFLAGS=${BASE_CXXFLAGS}
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LDFLAGS=${BASE_LDFLAGS}
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dnl ----------------------------------------------------------------------
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dnl --
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dnl -- Check for header files that we'll need
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dnl --
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AC_HEADER_STDC
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AC_CHECK_HEADERS(limits.h)
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AC_CHECK_HEADERS(unistd.h)
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dnl -- STL headers that aren't always available
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AC_CHECK_HEADERS(hash_map)
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AC_CHECK_HEADERS(hash_set)
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AC_CHECK_HEADERS(ext/hash_map)
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AC_CHECK_HEADERS(ext/hash_set)
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AC_CHECK_HEADERS(valarray)
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AC_CHECK_HEADERS(sstream)
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AC_CHECK_HEADERS(strstream)
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dnl ----------------------------------------------------------------------
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dnl --
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dnl -- Check for typedefs, declarations, and compiler characteristics
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dnl --
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AC_C_CONST
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AC_C_INLINE
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AC_MSG_CHECKING(for type bool)
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AC_TRY_COMPILE([],
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[bool x; x;],
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[AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BOOL)],
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AC_MSG_RESULT(no))
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AC_FUNC_ALLOCA
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AC_CHECK_FUNCS(rint getrusage times random getopt getopt_long)
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dnl ----------------------------------------------------------------------
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dnl --
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dnl -- Wrap up and write the results
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dnl --
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ROOT=`pwd`
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CPPFLAGS="$CPPFLAGS -I${ROOT}/include -DHAVE_CONFIG_H"
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CFLAGS="$BASE_CFLAGS $CPPFLAGS"
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CXXFLAGS="$BASE_CXXFLAGS $CPPFLAGS"
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LDFLAGS="$BASE_LDFLAGS -L${ROOT}/src"
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AC_OUTPUT(gfx-config)
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