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#
# Check for one project file
#
AC_INIT(src/g2_device.c)
PRODUCT=g2
#
# check cannonical system name,
# and set options for shared libraries (black magic)
#
AC_CANONICAL_HOST
case "$host" in
*-linux* | *-k*bsd*-gnu | *-gnu*)
LD_SHARED='ld'
LD_SHARED_FLAGS='-shared -soname libg2.so.0'
LD_SHARED_OPT='-lc -lm -lX11 -lgd'
LD_SHARED_EXT='so.$(RVERSION)'
AC_DEFINE(LINUX);;
*-aix*)
LD_SHARED='ld'
LD_SHARED_FLAGS='-bM:SRE -bnoentry -bexpall'
LD_SHARED_OPT='$(LDFLAGS) -lc'
LD_SHARED_EXT='so'
AC_DEFINE(AIX);;
*-osf*)
LD_SHARED='ld'
LD_SHARED_FLAGS='-shared'
LD_SHARED_OPT='$(LDFLAGS) -lc'
LD_SHARED_EXT='so'
AC_DEFINE(OSF);;
*)
LD_SHARED_EXT='so'
AC_DEFINE(UNIX);;
esac
AC_SUBST(LD_SHARED)
AC_SUBST(LD_SHARED_FLAGS)
AC_SUBST(LD_SHARED_OPT)
AC_SUBST(LD_SHARED_EXT)
#
# check C compiler, preprocesor, etc.
#
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_CHECK_PROG(FIND, find, find, :)
AC_CHECK_PROG(MAKEDEPEND, makedepend, makedepend, :)
AC_CHECK_LIB(dl, dlopen, have_dl=yes, have_dl=no)
#
# Try to locate the X Window System include files and libraries
# and add /usr/local to include and lib path and add -lm (for testing)
#
AC_PATH_XTRA
CFLAGS="$CFLAGS $X_CFLAGS"
LIBS="$X_LIBS"
DO_PS='#'
DO_FIG='#'
DO_X11='#'
DO_XDBE='#'
DO_GD='#'
DO_GIF='#'
DO_WIN32='#'
#
# check supported devices
#
AC_CHECK_LIB(m,main,DO_PS='';DO_FIG='';LIBS="$LIBS -lm";AC_DEFINE(DO_PS) AC_DEFINE(DO_FIG),break)
AC_CHECK_LIB(X11, main, DO_X11='';LIBS="$LIBS -lX11";AC_DEFINE(DO_X11))
AC_CHECK_LIB(Xext, main, DO_XDBE='';LIBS="$LIBS -lXext";AC_DEFINE(DO_XDBE))
AC_CHECK_LIB(gd, main, have_gd=yes, have_gd=no)
if test "$have_gd" = yes
then
LIBS="$LIBS -lgd"
AC_CHECK_FUNC(gdImagePng, DO_GD='';AC_DEFINE(DO_GD))
AC_CHECK_FUNC(gdImageGif, DO_GIF='';AC_DEFINE(DO_GIF))
fi
#
# handling cygwin environment (and gd for cygwin == bgd)
#
AC_CYGWIN
if test "$CYGWIN" = yes
then
LIBS="$LIBS -L/lib/w32api"
AC_CHECK_LIB(gdi32, main, DO_WIN32='';LIBS="$LIBS -lgdi32";AC_DEFINE(DO_WIN32))
# AC_CHECK_LIB(bgd, main, have_bgd=yes, have_bgd=no)
# if test "$have_bgd" = yes
# then
# LIBS="$LIBS -lbgd"
# AC_CHECK_FUNC(gdImagePng, DO_GD='';AC_DEFINE(DO_GD))
# fi
fi
#
# Declare variables which we want substituted in the Makefile.in's
#
AC_SUBST(DO_PS)
AC_SUBST(DO_FIG)
AC_SUBST(DO_X11)
AC_SUBST(DO_XDBE)
AC_SUBST(DO_WIN32)
AC_SUBST(DO_GD)
AC_SUBST(DO_GIF)
AC_HEADER_STDC
AC_CHECK_HEADERS(limits.h)
#
# finally create makefiles using Makefile.in
#
echo
AC_OUTPUT(Makefile demo/Makefile g2_perl/Makefile.PL g2_python/Makefile)
echo
echo "Supported devices:"
if test "$DO_PS" != "#"; then echo " PostScript"; fi
if test "$DO_FIG" != "#"; then echo " FIG"; fi
if test "$DO_X11" != "#"; then echo " X11"; fi
if test "$DO_XDBE" != "#"; then echo " Xdbe"; fi
if test "$DO_WIN32" != "#"; then echo " Win32"; fi
if test "$DO_GD" != "#"; then echo " GD"; fi
if test "$DO_GIF" != "#"; then echo " GD (GIF)"; fi
echo
echo "Unsupported devices:"
if test "$DO_PS" = "#"; then echo " PostScript"; fi
if test "$DO_FIG" = "#"; then echo " FIG"; fi
if test "$DO_X11" = "#"; then echo " X11"; fi
if test "$DO_XDBE" = "#"; then echo " Xdbe"; fi
if test "$DO_WIN32" = "#"; then echo " Win32"; fi
if test "$DO_GD" = "#"; then echo " GD"; fi
if test "$DO_GIF" = "#"; then echo " GD (GIF)"; fi
echo
echo "Run 'make depend' to create dependencies."
echo
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