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configure.ac
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dnl Process this file with autoconf to produce a configure script.
dnl configure.in for gnuplot on Unix.
dnl
dnl $Id: configure.ac,v 1.39 2017-09-04 23:25:00 sfeam Exp $
dnl
dnl this is actually major.minor ...
dnl note that for a non-beta release, we need to disable DEVELOPMENT_RELEASE
dnl
AC_INIT([gnuplot],[5.3])
AC_CONFIG_SRCDIR(src/graphics.c)
AC_PREREQ([2.69])
AC_CONFIG_HEADERS(config.h:config.hin)
AC_DEFINE(DEVELOPMENT_VERSION,1,[Provide contact info for gnuplot develoment])
AM_INIT_AUTOMAKE([1.10 subdir-objects])
AM_MAINTAINER_MODE
VERSION_MAJOR="`cat $srcdir/VERSION`"
PATCHLEVEL="`cat $srcdir/PATCHLEVEL`"
AC_DEFINE_UNQUOTED(VERSION_MAJOR,["$VERSION_MAJOR"],[The main version number])
AC_DEFINE_UNQUOTED(PATCHLEVEL,["$PATCHLEVEL"],[The patch level, a.k.a. micro version number])
dnl configure.in body
dnl Compiler characteristics
dnl Check for the const and inline keywords and ANSI style stringification
dnl automake 1.12 dropped support for AM_C_PROTOTYPES and ansi2knr
dnl But our code still tests for #ifdef PROTOTYPES, so define it here
AC_DEFINE(PROTOTYPES,1,[Automake 1.12 dropped support for building without prototypes])
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_CC
AC_PROG_CPP
AC_PROG_OBJC
AC_C_CONST
AC_C_INLINE
AC_C_STRINGIZE
AC_PROG_LN_S
if test "${build}" != "${host}"
then
CC=${CC-${host_alias-gcc}}
CFLAGS=${CFLAGS-"-g -O2"}
CXX=${CXX-${host_alias-c++}}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
else
# The cross-compilation patch originally had CC_FOR_BUILD = "\$(CC)"
# but that causes a recursive definition in docs/Makefile. EAM Dec 2009.
CC_FOR_BUILD="${CC}"
AC_PROG_CC
# We must set the default linker to the linker used by gcc for the correct
# operation of libtool. If LD is not defined and we are using gcc, try to
# set the LD default to the ld used by gcc.
if test -z "$LD"
then
if test "$GCC" = yes
then
case $build in
*-*-mingw*)
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
*)
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
esac
case $gcc_prog_ld in
# Accept absolute paths.
[[\\/]* | [A-Za-z]:[\\/]*)]
LD="$gcc_prog_ld" ;;
esac
fi
fi
CXX=${CXX-"c++"}
CFLAGS=${CFLAGS-"-g -O2"}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
fi
AM_PROG_CC_C_O
AC_SUBST(CC_FOR_BUILD)
dnl large file support
AC_CHECK_TYPES([off_t])
AC_FUNC_FSEEKO
AC_SYS_LARGEFILE
AC_ARG_WITH(libcerf,dnl
[ --without-libcerf build without special functions from libcerf (default enabled)],,
[test -z "${with_libcerf}" && with_libcerf=yes])
if test "${with_libcerf}" = yes ; then
dnl The libcerf library contains a set of complex-valued special functions
dnl related to the error function (cerf, erfi, Dawson's integral, Voigt profile).
dnl If libcerf is installed then we can use them.
PKG_CHECK_MODULES_NOFAIL([LIBCERF], [libcerf],
[
CPPFLAGS="$CPPFLAGS $LIBCERF_CFLAGS"
LDFLAGS="$LDFLAGS $LIBCERF_LIBS"
],
)
AC_SEARCH_LIBS([cdawson], [cerf],
[AC_DEFINE([HAVE_LIBCERF], 1, [define if you have libcerf])
have_libcerf=yes]
)
fi
dnl Various programs
dnl X/Emacs for building .texi version of docs
test x"$EMACS" = xt && EMACS=
AC_CHECK_PROGS(EMACS, emacs xemacs, no)
dnl Allow manual specification of tex
AC_ARG_WITH(latex,[ --without-latex disable installation of latex support files],[],[with_latex="yes"])
if test "$with_latex" = yes; then
AC_CHECK_PROGS(PLAINTEX, tex, no)
AC_CHECK_PROGS(LATEX, latex latex2e, no)
AC_CHECK_PROGS(PDFLATEX, pdflatex, no)
test "$PLAINTEX" = "no" -o "$LATEX" = no -o "$PDFLATEX" = "no" && with_latex="no"
else
PLAINTEX="no"
LATEX="no"
PDFLATEX="no"
fi
AM_CONDITIONAL(HAVE_LATEX, test "$with_latex" != no)
AC_CHECK_PROGS(DVIPS, dvips, no)
AC_CHECK_PROGS(TROFF, troff, no)
AC_CHECK_PROGS(LATEX2HTML, latex2html, no)
AC_ARG_WITH(texdir,dnl
[--with-texdir=DIR where to install latex style files
(default by kpsexpand in subdir PACKAGE)],
TEXDIR="$withval",
TEXDIR="no")
dnl Allow manual specification of kpsexpand
AC_CHECK_PROGS(KPSEXPAND, kpsexpand, no)
AC_CHECK_PROGS(TEXHASH, texhash, true)
AC_ARG_WITH(kpsexpand,dnl
[--with-kpsexpand search for kpsexpand at run-time (default disabled)],
[if test "$withval" = yes; then
test "$KPSEXPAND" != "no" || AC_MSG_ERROR(dnl
[You tell me to use kpsexpand, but there is no kpsexpand])
AC_DEFINE(HAVE_KPSEXPAND,1,[ Define if you want to use kpsexpand (TeX). ])
fi])
dnl we only care about texdir if latex is enabled
if test "$with_latex" = yes; then
test "$KPSEXPAND" = "no" -a "$TEXDIR" = "no" && AC_MSG_ERROR(dnl
[texdir is not given and there is no kpsexpand, please tell where to install])
dnl texdir has priority
if test "$TEXDIR" = "no"; then
if test "x$prefix" != "xNONE"; then
TEXDIR=${prefix}/share/texmf
else
TEXDIR=`$KPSEXPAND '$TEXMFLOCAL'`
if test "x$TEXDIR" = "x" -o "$TEXDIR" = "\$TEXMFLOCAL"; then
TEXDIR=${ac_default_prefix}/share/texmf
fi
fi
TEXDIR=${TEXDIR}/tex/latex/gnuplot
fi
fi
dnl X Window System files.
AC_SUBST(LIBRARIES_FOR_X)
AC_PATH_XTRA
dnl Needed for LynxOS until AC_PATH_XTRA is fixed
if test "$ac_cv_func_gethostbyname" = no; then
if test "$ac_cv_lib_nsl_gethostbyname" = no; then
AC_CHECK_LIB(bsd, gethostbyname, X_EXTRA_LIBS="$X_EXTRA_LIBS -lbsd")
fi
fi
if test "$no_x" != yes; then
CPPFLAGS="$CPPFLAGS $X_CFLAGS"
LIBRARIES_FOR_X="$X_LIBS -lX11 $X_EXTRA_LIBS"
AC_DEFINE(X11,1,[ Define if you are using the X11 window system. ])
AC_ARG_WITH(x-dcop,dnl
[--with-x-dcop gnuplot_x11 can use KDE3/DCOP for space-raises-console],
AC_DEFINE(USE_KDE3_DCOP,1,[ Define if gnuplot_x11 can use KDE3 DCOP to raise konsole]))
fi
AM_CONDITIONAL(BUILD_GNUPLOT_X11, test "$no_x" != yes)
dnl change location of X11 defaults
AC_ARG_WITH(x-app-defaultdir,dnl
[ --with-x-app-defaultdir=DIR location of X11 application defaults
(default /etc/X11/app-defaults/)],
X11_APPDEFAULTS_DIR="$withval",
X11_APPDEFAULTS_DIR="/etc/X11/app-defaults/")
dnl Operating systems.
dnl FIXME AC_DEFINE(ISC22)
dnl FIXME AC_DEFINE(KSR)
dnl Check for MSDOS and djgpp, Apple MacOsX, BeOS
GP_MSDOS
GP_APPLE
GP_BEOS
GP_ALPHA
AM_CONDITIONAL(BUILD_SRC_BEOS_SUBDIR, test x$build_beos_subdir = xyes)
dnl _instead_ of -lm ...
AC_CHECK_FUNC(sin,,[AC_CHECK_LIB(m,sin)])
dnl Header files. ANSI first
dnl We prefer that the absense of a macro is the norm, so in syscfg.h
dnl configure's HAVE_XXXX defines are translated into NO_XXXX for ANSI
dnl headers and functions
AC_HEADER_STDC
dnl Header files
dnl ANSI/ISO C, POSIX, others
AC_CHECK_HEADERS(dirent.h errno.h float.h langinfo.h limits.h locale.h math.h \
stdlib.h string.h time.h sys/time.h sys/types.h \
sys/bsdtypes.h sys/ioctl.h sys/param.h sys/select.h sys/socket.h \
sys/stat.h sys/systeminfo.h sys/timeb.h sys/utsname.h \
libc.h malloc.h poll.h sgtty.h termios.h values.h dirent.h \
dlfcn.h dl.h
)
AC_HEADER_STDBOOL
if test "$ac_cv_header_math_h" = yes ; then
AC_MSG_CHECKING([for struct exception in math.h])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[struct exception *x; x->type; x->name;]])],[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_STRUCT_EXCEPTION_IN_MATH_H,1,
[ Define if math.h declares struct exception for matherr(). ])],[AC_MSG_RESULT(no)])
fi
if test "$ac_cv_header_sys_stat_h" = yes; then
AC_HEADER_STAT
fi
dnl Check for external functions plugin infrastructure
AC_ARG_ENABLE(plugins,dnl
[ --disable-plugins disable support for importing external functions],,)
if test "$enable_plugins" != no; then
if test "$ac_cv_header_dl_h" = yes; then
AC_SEARCH_LIBS(shl_load, dld,
[AC_DEFINE(HAVE_EXTERNAL_FUNCTIONS,1,[ Define if external function plugins are to be supported. ])
have_external_functions=yes
])
fi
if test "$ac_cv_header_dlfcn_h" = yes; then
AC_SEARCH_LIBS(dlopen, dl,
[AC_DEFINE(HAVE_EXTERNAL_FUNCTIONS,1,[ Define if external function plugins are to be supported. ])
have_external_functions=yes
])
fi
fi
AM_CONDITIONAL(BUILD_PLUGIN, test "$have_external_functions" = yes)
dnl check if unistd actually declares anything.
AC_MSG_CHECKING(for unistd.h)
AC_EGREP_HEADER(execv, unistd.h,
[AC_DEFINE(HAVE_UNISTD_H) AC_MSG_RESULT(yes)],
AC_MSG_RESULT(no))
dnl check if errno.h header declares errno
AC_MSG_CHECKING(if errno variable is declared)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif]], [[errno=0]])],[AC_MSG_RESULT(yes)],[AC_DEFINE(EXTERN_ERRNO,1,[ Define if <errno.h> declares errno. ])
AC_MSG_RESULT(no)])
dnl Types.
AC_TYPE_SIZE_T
AC_MSG_CHECKING(for time_t in time.h)
AC_EGREP_HEADER(time_t,time.h,
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_TIME_T_IN_TIME_H,1,
[ Define if time_t is declared in time.h. ])])
dnl Functions. Standard first, then others
dnl ANSI/ISO and their predecessors
dnl sunos 4 has on_exit() in place of atexit()
dnl gamma is called lgamma linux
dnl we prefer lgamma over gamma, see specfun.c
dnl math lib is already available, see operating systems part
AC_CHECK_FUNCS(atexit memcpy memmove memset \
on_exit bcopy bzero \
setvbuf strerror strchr strrchr strstr \
index rindex \
erf erfc gamma lgamma \
getcwd poll pclose popen fdopen select sleep stpcpy \
strcspn strdup strndup strnlen strcasecmp stricmp strncasecmp strnicmp \
sysinfo tcgetattr vfprintf doprnt uname usleep
)
dnl HBB 20030624: see if signgam is declared by math.h
AC_CHECK_DECLS([signgam],,,
[#if HAVE_MATH_H
#include <math.h>
#endif
])
dnl check, if we have sigsetjmp and siglongjmp.
dnl a trivial AC_CHECK_FUNCS(sigsetjmp) won't do
dnl because sigsetjmp() might be a macro declared
dnl in <setjmp.h>. (joze)
AC_MSG_CHECKING(for sigsetjmp)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]], [[jmp_buf env; sigsetjmp(env, 1);]])],[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SIGSETJMP,1,
[ Define if we have sigsetjmp(). ])],[AC_MSG_RESULT(no)])
if test "$ac_cv_func_pclose" = yes -a "$ac_cv_func_popen" = yes ; then
AC_DEFINE(PIPES,1,[ Define if you do have the popen and pclose functions. ])
fi
AC_MSG_CHECKING(if malloc(0) returns 0)
AC_RUN_IFELSE([AC_LANG_PROGRAM([[#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
]],
[[if(malloc(0)==0) return 1;]])],
[malloc_zero_returns_zero=no],
[malloc_zero_returns_zero=yes],
[malloc_zero_returns_zero=yes])
AC_MSG_RESULT([$malloc_zero_returns_zero])
AS_IF([test x$malloc_zero_returns_zero = xyes],
[AC_DEFINE([MALLOC_ZERO_RETURNS_ZERO],[1],[Define to 1 if malloc(0)==0])])
dnl Argument types of select()
AC_FUNC_SELECT_ARGTYPES
dnl On SVR3.
dnl FIXME AC_DEFINE(CRIPPLED_SELECT)
dnl .gih help file location
eval gp_datadir=$datadir
if test "$gp_datadir" = NONE/share; then
datadir="/usr/local/share"
fi
pkgdatadir="$datadir/$PACKAGE"
AC_ARG_WITH(gihdir,dnl
[ --with-gihdir=DIR location of .gih help text file
(default PREFIX/share/PACKAGE/VERSION)],
GIHDIR="$withval",
GIHDIR="$pkgdatadir/$VERSION_MAJOR")
dnl The Linux console driver
AC_ARG_WITH(linux-vga,dnl
[ --with-linux-vga use the Linux SVGA console driver
(requires /usr/lib/libvga)],,
test -z "$with_linux_vga" && with_linux_vga=no)
dnl check for installed linux vgalib
if test "$with_linux_vga" = yes; then
AC_MSG_CHECKING(for linux vga library)
AC_CHECK_LIB(vga, vga_init,
[AC_DEFINE(LINUXVGA,1,
[ Define if this is a Linux system with SuperVGA library. ])
LINUXSUID='chown root $(bindir)/gnuplot; chmod u+s $(bindir)/gnuplot'
TERMLIBS="-lvga $TERMLIBS"],
with_linux_vga=no)
fi
dnl TODO: simplify, get rid of GGI_SUPPORT
dnl new ggi driver
GGI_SUPPORT=no
AC_ARG_WITH(ggi,dnl
[ --with-ggi[=DIR] enable the ggi driver],
[if test "$withval" != no; then
if test -d $withval/include; then
CPPFLAGS="$CPPFLAGS -I$withval/include"
fi
if test -d $withval/lib; then
LDFLAGS="$LDFLAGS -L$withval/lib"
fi
AC_CHECK_LIB(ggi,ggiInit,
[TERMLIBS="-lggi $TERMLIBS"
AC_DEFINE(USE_GGI_DRIVER,1,
[ Define if you want to use the experimental ggi driver. ])
GGI_SUPPORT=yes
dnl check if libggiwmh and ggi/wmh.h are found
AC_CHECK_LIB(ggiwmh,ggiWmhInit,
[TERMLIBS="-lggiwmh $TERMLIBS"
AC_CHECK_HEADERS(ggi/wmh.h,,
AC_MSG_WARN([found ggiwmh library but not ggi/wmh.h
please add path to ggi/wmh.h to CPPFLAGS in Makefile]))
])])
fi])
AC_ARG_WITH(xmi,dnl
[ --with-xmi[=DIR] ggi's xmi support for pm3d (EXPERIMENTAL)],
[if test "$withval" != no -a "$GGI_SUPPORT" = yes; then
if test -d $withval/include; then
CPPFLAGS="$CPPFLAGS -I$withval/include"
fi
if test -d $withval/lib; then
LDFLAGS="$LDFLAGS -L$withval/lib"
fi
AC_CHECK_LIB(xmi,xmiInit,
[TERMLIBS="-lxmi $TERMLIBS"
AC_CHECK_HEADERS(ggi/xmi.h)])
fi])
dnl Use builtin readline or GNU readline or NetBSD editline
AC_ARG_WITH(readline,dnl
[ --with-readline=builtin use the built-in readline
--with-readline=gnu use the GNU readline library (default if present)
--with-readline=bsd use the NetBSD editline library (NB: does not handle UTF-8!)
--with-readline=DIR specify the location of readline/editline
--without-readline do not use any readline function], ,
test -z "$with_readline" && with_readline=gnu)
dnl Gnuplot history
AC_ARG_ENABLE(history-file,dnl
[ --disable-history-file do not use history file],,
test -z "$enable_history_file" && enable_history_file=yes)
dnl GNU readline and the required terminal library
if test "$with_readline" != no; then
_libs="$LIBS"
if test "$with_readline" != builtin; then
dnl check for terminal library
dnl this is a very cool solution from octave's configure.in
gp_tcap=""
for termlib in ncurses curses termcap terminfo termlib; do
AC_CHECK_LIB(${termlib}, tputs, [gp_tcap="$gp_tcap -l$termlib"])
case "$gp_tcap" in
*-l${termlib}*)
break
;;
esac
done
dnl explicit path to readline/editline
if test "$with_readline" != gnu -a "$with_readline" != bsd; then
if test -d $with_readline/include; then
CPPFLAGS="$CPPFLAGS -I$with_readline/include"
fi
if test -d $with_readline/lib; then
LDFLAGS="$LDFLAGS -L$with_readline/lib"
fi
dnl Could be either libedit or readline!
if test ! -d $with_readline/include/readline; then
if test -d $with_readline/include/editline; then
AC_MSG_WARN([$with_readline contains libedit, not readline!])
with_readline=bsd
else
AC_MSG_ERROR([No readline found in $with_readline])
fi
fi
fi
if test "$with_readline" = bsd; then
AC_CHECK_LIB(edit, readline,
[TERMLIBS="-ledit $TERMLIBS"],
[AC_MSG_WARN([Could not find BSD editline library ])
with_readline=builtin],)
if test "$ac_cv_lib_edit_readline" = yes; then
AC_DEFINE(HAVE_LIBEDITLINE,1,
[ Define if you are using the BSD editline library. ])
AC_CHECK_HEADERS(editline/readline.h,,
AC_MSG_WARN([found BSD editline library but not readline.h please add path to readline.h to CPPFLAGS in Makefile]))
if test "$enable_history_file" = yes; then
AC_DEFINE(GNUPLOT_HISTORY,1,
[ Define if you want to use a gnuplot history file. ])
fi
fi
else # !bsd
AC_CHECK_LIB(readline, remove_history,
[TERMLIBS="-lreadline $gp_tcap $TERMLIBS"],,[${gp_tcap}])
if test "$ac_cv_lib_readline_remove_history" = no; then
dnl OSX keeps history functions in a separate library
AC_CHECK_LIB(history, remove_history,
[TERMLIBS="-lreadline -lhistory $gp_tcap $TERMLIBS"],
[ AC_MSG_WARN([GNU readline not found - falling back to builtin readline])
with_readline=builtin ]
,[${gp_tcap}])
fi
dnl Work around some functions missing from the OSX readline library.
dnl Would it be better to simply switch to with_readline=bsd in this case?
AC_SEARCH_LIBS(rl_ding, readline, ,
AC_DEFINE(MISSING_RL_DING,1,[ Define if your libreadline has no rl_ding]),
[${TERMLIBS}])
AC_SEARCH_LIBS(rl_forced_update_display, readline, ,
AC_DEFINE(MISSING_RL_FORCED_UPDATE_DISPLAY,1,[ Define if your libreadline has no rl_force_update_display]),
[${TERMLIBS}])
AC_SEARCH_LIBS(rl_reset_after_signal, readline,
AC_DEFINE(HAVE_READLINE_RESET,1,[ Define if your libreadline has rl_reset_after_signal]),
,
[${TERMLIBS}])
# Warning: rl_complete_with_tilde_expansion is an int, not a function.
# I.e., it is not callable. AC_CHECK_LIB seems to work anyhow, but...
AC_SEARCH_LIBS(rl_complete_with_tilde_expansion, readline, ,
AC_DEFINE(MISSING_RL_TILDE_EXPANSION,1,[ Define if your libreadline has no rl_complete_with_tilde_expansion]),
[${TERMLIBS}])
if [test "$ac_cv_lib_readline_remove_history" != no || test "$ac_cv_lib_history_remove_history" != no]; then
if test "$with_readline" = bsd; then
AC_DEFINE(HAVE_LIBEDITLINE,1,
[ Define if you are using the BSD editline library. ])
else
AC_DEFINE(HAVE_LIBREADLINE,1,
[ Define if you are using the GNU readline library. ])
fi
AC_CHECK_HEADERS(readline/readline.h,,
AC_MSG_WARN([found GNU readline library but not readline.h
please add path to readline.h to CPPFLAGS in Makefile]))
AC_CHECK_HEADERS(readline/history.h,,
AC_MSG_WARN([found GNU readline library but not history.h
please add path to history.h to CPPFLAGS in Makefile]))
if test "$enable_history_file" = yes; then
AC_DEFINE(GNUPLOT_HISTORY,1,
[ Define if you want to use a gnuplot history file. ])
fi
fi # ! ac_cv_lib_readline_readline = no
fi # ! with_readline = bsd
fi # ! with_readline != builtin
if test "$with_readline" = builtin; then
AC_CHECK_FUNCS(wcwidth)
AC_CHECK_HEADERS(wchar.h,,
AC_MSG_WARN([please add path to wchar.h to CPPFLAGS in Makefile]))
AC_DEFINE(READLINE,1,
[ Define if you want to use the included readline function. ])
if test "$enable_history_file" = yes; then
AC_DEFINE(GNUPLOT_HISTORY,1,
[ Define if you want to use a gnuplot history file. ])
fi
fi
LIBS="$_libs"
fi
dnl end readline
dnl check presence of z library
dnl TODO: path to zlib includes; -lz -lm specified multiple times
dnl we don't do anything about missing png/gd includes either
AC_CHECK_LIB(z,deflate,
[TERMLIBS="$TERMLIBS -lz"
AC_DEFINE(HAVE_LIBZ,1,[ Define if you have zlib. ])
AC_CHECK_HEADER(zlib.h,,
[AC_MSG_WARN([found z library but not zlib.h
please add path to zlib.h to CPPFLAGS in Makefile])])],
AC_MSG_WARN([zlib is required - see http://www.gzip.org/zlib/]))
dnl check presence of gd library
dnl we don't check for libfreetype and libjpeg locations - if gd requires
dnl them, the gdlib-config scipt contains all the required information
AC_ARG_WITH(gd,dnl
[ --with-gd[=DIR] location of gd library (png jpeg gif terminals)],,
with_gd=yes)
if test "$with_gd" != no; then
AC_PATH_PROG([GDLIB_CONFIG], [gdlib-config])
if test -n "$GDLIB_CONFIG"; then
libgd_CPPFLAGS=`$GDLIB_CONFIG --cflags`
libgd_LDFLAGS=`$GDLIB_CONFIG --ldflags`
libgd_LIBS=`$GDLIB_CONFIG --libs`
elif test -d "$with_gd"; then
libgd_CPPFLAGS="-I$with_gd/include"
libgd_LDFLAGS="-L$with_gd/lib"
libgd_LIBS="-ljpeg -lpng -lfreetype -lz"
fi
_cppflags="$CPPFLAGS"
_ldflags="$LDFLAGS"
_libs="$LIBS"
CPPFLAGS="$CPPFLAGS $libgd_CPPFLAGS"
LDFLAGS="$LDFLAGS $libgd_LDFLAGS"
LIBS="$LIBS $libgd_LIBS"
AC_CHECK_LIB(gd,gdImageCreateTrueColor,
[dnl found gd library
AC_DEFINE(HAVE_LIBGD,1,[ Define if you have gd library. ])
AC_CHECK_HEADERS(gd.h,,
AC_MSG_WARN([please add path to gd.h to CPPFLAGS in Makefile]))
dnl gif support in libgd
AC_CHECK_LIB(gd,gdImageGif,
[AC_DEFINE(HAVE_GD_GIF,1,[ Define if libgd supports gif. ])])
AC_CHECK_LIB(gd,gdImageGifAnimBegin,
[AC_DEFINE(GIF_ANIMATION,1,[ Define if libgd supports animated gifs. ])])
dnl jpeg support in libgd
AC_CHECK_LIB(gd,gdImageJpeg,
[AC_DEFINE(HAVE_GD_JPEG,1,[ Define if libgd supports jpeg. ])])
dnl freetype support in libgd
AC_CHECK_LIB(gd,gdImageStringFT,
AC_DEFINE(HAVE_GD_TTF,1,
[ Define if libgd supports TrueType fonts through libfreetype. ]))
dnl png support in libgd
AC_CHECK_LIB(gd,gdImagePng,
[AC_DEFINE(HAVE_GD_PNG,1,[ Define if libgd supports png. ])])
],[dnl gd library not found
AC_MSG_WARN([libgd not found or too old, version >= 2.0 is required])
with_gd=no
])
dnl piece it all together
if test "$with_gd" = no; then
CPPFLAGS="$_cppflags"
LDFLAGS="$_ldflags"
LIBS="$_libs"
else
LIBS="$_libs"
TERMLIBS="$TERMLIBS -lgd $libgd_LIBS"
fi
fi
dnl end gd
dnl The iconv library can be used to switch character encodings.
dnl So far this is only used by gd.trm and emf.trm.
AC_SEARCH_LIBS([iconv_open], [iconv],
[AC_CHECK_HEADER([iconv.h],
[AC_DEFINE([HAVE_ICONV], 1, [define if you have libiconv and iconv.h])]
)]
)
dnl check presence of lua/TikZ support
AC_ARG_WITH(lua,dnl
[ --without-lua disable lua/TikZ terminal (default enabled)],,
[test -z "${with_lua}" && with_lua=yes])
dnl Some distributions allow for parallel installation of different
dnl lua versions. We test for that in order of pereference.
if test "${with_lua}" = yes ; then
LUA=lua
PKG_CHECK_MODULES([LUA], [lua], LUAFOUND=yes,
[PKG_CHECK_MODULES([LUA], [lua5.3], LUA=lua5.3,
[PKG_CHECK_MODULES([LUA], [lua5.2], LUA=lua5.2,
[PKG_CHECK_MODULES([LUA], [lua5.1], LUA=lua5.1,
[LUAFOUND=no])])])])
if test $pkg_failed != no; then
AC_MSG_WARN([Could not find support for lua using pkg-config.])
with_lua=no
fi
if test "$with_lua" != no; then
TERMLIBS="$TERMLIBS $LUA_LIBS"
CPPFLAGS="$CPPFLAGS $LUA_CFLAGS"
else
dnl if pkg-config didn't work, we migh still find it manually
AC_SEARCH_LIBS(luaL_openlibs, lua lua5.3 lua5.2 lua5.1,
with_lua=yes, with_lua=no)
fi
if test "$with_lua" = yes; then
AC_DEFINE(HAVE_LUA,1, [ Define if you want the lua/TikZ terminal. ])
AC_CHECK_HEADERS(lua.h,,
AC_MSG_WARN([please add path to lua.h to CPPFLAGS in Makefile]))
fi
AC_SUBST(LUA)
fi
AM_CONDITIONAL(BUILD_LUA, test "${with_lua}" = yes)
dnl end lua
dnl check presence of caca library
AC_ARG_WITH(caca,dnl
[ --with-caca[=DIR] where to find the caca library],,
with_caca=no)
if test "$with_caca" != no; then
if test -d "$with_caca"; then
dnl path to libcaca was specified manually
caca_CPPFLAGS="-I$with_caca/include"
caca_LDFLAGS="-L$with_caca/lib -Wl,-rpath -Wl,$with_caca/lib"
caca_LIBS="-lcaca"
with_caca=yes
else
dnl try to use pkg-config first
PKG_CHECK_MODULES(caca, [caca], [with_caca=yes], [with_caca=no])
if test $pkg_failed != no; then
dnl try to locate libcaca using its config tool
AC_PATH_PROG([CACA_CONFIG], [caca-config])
if test -n "$CACA_CONFIG"; then
caca_CPPFLAGS=`$CACA_CONFIG --cflags`
caca_LDFLAGS=`$CACA_CONFIG --ldflags`
caca_LIBS=`$CACA_CONFIG --libs`
with_caca=yes
else
dnl libcaca was not found
AC_MSG_WARN([libcaca not found or too old, version >= 0.99.beta15 is required])
with_caca=no
fi
fi
fi
dnl test usability
_cppflags="$CPPFLAGS"
_ldflags="$LDFLAGS"
CPPFLAGS="$caca_CPPFLAGS $CPPFLAGS"
LDFLAGS="$caca_LDFLAGS $LDFLAGS"
AC_CHECK_LIB(caca,caca_get_version,
[dnl found caca library, test for version >= 0.99.beta15 (libcucul merged back)
AC_CHECK_LIB([caca],[caca_export_canvas_to_memory],,
[AC_DEFINE(USE_CACA_EXPORT_MEMORY,1,[ Define if your libcaca does not have caca_export_canvas_to_memory but the old caca_export_memory])],[])
AC_CHECK_DECL([CACA_DEPRECATED],
[AC_DEFINE(HAVE_LIBCACA,1,[ Define if you have the caca library. ])],
[AC_MSG_WARN([libcaca header not found or too old, version >= 0.99.beta15 is required])
with_caca=no],
[[#include <caca.h>]])
],
[dnl caca library not found
AC_MSG_WARN([libcaca not found or too old, version >= 0.99.beta15 is required])
with_caca=no
])
dnl piece it all together
if test "$with_caca" = no; then
CPPFLAGS="$_cppflags"
LDFLAGS="$_ldflags"
else
TERMLIBS="$TERMLIBS $caca_LIBS"
fi
fi
dnl end caca
dnl Process rest of with and enable options
dnl Use .gnuplot file in current directory
AC_ARG_WITH(cwdrc,dnl
[ --with-cwdrc check current directory for .gnuplot file,
normally disabled for security reasons],,)
if test "$with_cwdrc" = yes; then
AC_DEFINE(USE_CWDRC,1,
[ Define if you want to read .gnuplot from current directory (SECURITY RISK!).])
fi
dnl Sort help/subtopic tables by row or column
AC_ARG_WITH(row-help,dnl
[ --with-row-help format help and subtopic tables by row (default)
--without-row-help format help and subtopic tables by column],
[if test "$with_row_help" = no; then
AC_DEFINE(COLUMN_HELP,1,
[ Define if you want online help and subtopic tables sorted by column. ])
fi])
dnl Whether we want to create the LaTeX tutorial
TUTORIAL=notutorial
AC_ARG_WITH(tutorial,dnl
[ --with-tutorial process the LaTeX tutorial when building])
dnl only if latex/2e is found
if test "$with_latex" != no -a "$with_tutorial" = yes ; then
TUTORIAL=tutorial
fi
dnl enable multi-byte font support in x11 terminal
AC_ARG_ENABLE(x11-mbfonts,dnl
[ --disable-x11-mbfonts disable multi-byte font support for x11 ],,
test -z "$enable_x11_mbfonts" && enable_x11_mbfonts=yes)
if test "$enable_x11_mbfonts" = yes; then
_ldflags="$LDFLAGS"
LDFLAGS="$LDFLAGS $LIBRARIES_FOR_X"
AC_MSG_CHECKING([for multi-byte support in x11])
AC_CHECK_LIB(X11, XmbDrawString,
AC_DEFINE(USE_X11_MULTIBYTE,1,[ Define to enable multi-byte font support for x11 ]),
enable_x11_mbfonts=no )
LDFLAGS="$_ldflags"
fi
dnl x11_external
AC_ARG_ENABLE(x11_external,dnl
[ --disable-x11-external disable drawing to windows belonging to external apps],,
test -z "$enable_x11_external" && enable_x11_external=yes)
if test "$enable_x11_external" = yes; then
AC_DEFINE(EXTERNAL_X11_WINDOW,1,[ Define if you want to supply pre-existing X11 windows. ])
fi
dnl check for installed linux vgagl lib if
dnl both linux_vga is defined.
if test "$with_linux_vga" = yes; then
_LIBS="$LIBS"
dnl make sure LIBS contains -lvga
LIBS="$TERMLIBS $LIBS"
AC_MSG_CHECKING(for the vgagl library)
AC_CHECK_LIB(vgagl, gl_hline,
[LIBS="-lvgagl $LIBS"
AC_CHECK_HEADERS(vgagl.h,
[AC_DEFINE(VGAGL,1,[ Define if the vgagl libray is present. ])
dnl yup, we've the libvgagl.
dnl check now, if lib3dkit is found.
AC_CHECK_LIB(3dkit, gl_striangle,
[AC_CHECK_HEADERS(3dkit.h,
[dnl success! If we're here, all checks for
dnl the vgagl terminal driver succeeded.
AC_DEFINE(THREEDKIT,1,[ Define if the 3dkit libray is present. ])
AC_DEFINE(EXTENDED_COLOR_SPECS,1,
[ Define if color information should be passed for each vertex. ])
VGAGLLIB="-l3dkit -lvgagl"
with_vgagl=yes
],dnl <-- 3dkit.h found
[with_vgagl=no
AC_MSG_RESULT([unable to find 3dkit.h])
]dnl <-- 3dkit.h not found
)
],dnl <-- 3dkit is present
[
with_vgagl=no
AC_MSG_RESULT([unable to find lib3dkit])
]dnl <-- 3dkit is not present
)
],dnl <-- vgagl.h is present
[
with_vgagl=no
AC_MSG_RESULT([unable to find vgagl.h])
]dnl <-- vgagl.h is not present
)
],dnl <-- libvgagl was found
[with_vgagl=no
AC_MSG_RESULT([unable to find libvgagl])
]dnl <-- libvgagl was not found
)
dnl restore LIBS
LIBS="$_LIBS"
else
with_vgagl=no
fi
TERMLIBS="$VGAGLLIB $TERMLIBS"
dnl labels with boxes around them
AC_ARG_ENABLE(boxed_text,dnl
[ --disable-boxed-text disable support for boxed labels],,
test -z "$enable_boxed_text" && enable_boxed_text=yes)
if test "$enable_boxed_text" = yes; then
AC_DEFINE(EAM_BOXED_TEXT,1,
[ Define to support boxed labels ])
fi
dnl disable the "space raises console" behaviour
AC_ARG_ENABLE(raise-console,dnl
[ --disable-raise-console spacebar in plot window does not raise console],,
test -z "$enable_raise_console" && enable_raise_console=yes)
if test "$enable_raise_console" != yes; then
AC_DEFINE(DISABLE_SPACE_RAISES_CONSOLE,1,
[ Define to treat spacebar like any other keystroke. ])
fi
dnl rectangles and other objects
AC_ARG_ENABLE(objects,dnl
[ --disable-objects disable rectangles and other objects ],,
test -z "$enable_objects" && enable_objects=yes)
if test "$enable_objects" = yes; then
AC_DEFINE(EAM_OBJECTS,1,
[ Define to allow placement of rectangles and other objects ])
fi
dnl hidden3d compile-time options...
dnl NOTE: have to check that they're not both turned on --- the code
dnl doesn't allow that choice.
AC_ARG_ENABLE(h3d-quadtree,dnl
[ --disable-h3d-quadtree disable quadtree optimization in hidden3d code],,
[test -z "${enable_h3d_quadtree}" && enable_h3d_quadtree=yes])
if test "$enable_h3d_quadtree" = yes; then
AC_DEFINE(HIDDEN3D_QUADTREE,1,
[ Define to enable quadtree optimization in hidden3d code.])
fi
AC_ARG_ENABLE(h3d-gridbox,dnl
[ --enable-h3d-gridbox enable gridbox optimization in hidden3d code],
[if test "$enable_h3d_quadtree" = yes; then
AC_MSG_ERROR(dnl
[Only one of the hidden3d options quadtree and gridbox may be enabled.])
fi
if test "$enableval" = yes; then
AC_DEFINE(HIDDEN3D_GRIDBOX,1,
[ Define to enable gridbox optimization in hidden3d code.])
fi])
AC_DEFINE(HIDDEN3D_VAR_PTSIZE,1,
[ Define to enable handling point size in hidden3d code.])
dnl
if test ! -f src/graphics.c ; then
AC_MSG_RESULT([Compiling outside source directory - copying needed files])
mkdir tutorial >/dev/null 2>&1
cp ${srcdir}/tutorial/eg3.dat tutorial
fi
dnl explicit call to PKG_PROG_PKG_CONFIG because the first call to
dnl PKG_CHECK_MODULES may not happen
PKG_PROG_PKG_CONFIG
dnl wxWidgets terminal
dnl wxWidgets terminal needs C++
dnl These tests cannot be called conditionally.
dnl These tests are non-fatal on autoconf 2.58 and 2.59,
dnl but it may change in future versions, so we redefine AC_MSG_ERROR.
dnl Even if there is no C++ compiler on the system,
dnl autoconf will set CXX as g++ : this must be reverted.
m4_pushdef([AC_MSG_ERROR],[cxxerror=yes])
AC_PROG_CXX
m4_popdef([AC_MSG_ERROR])
if test "x${cxxerror}" != "xyes"; then
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <iostream>]],
[[const char hw[] = "Hello, World\n"; std::cout << hw;]])],
[cxxerror=no
AC_PROG_CXXCPP],
[cxxerror=yes
CXX=$CC])
AC_LANG_POP([C++])
fi
AC_ARG_ENABLE(wxwidgets,dnl
[ --disable-wxwidgets wxWidgets terminal (default enabled)],,
[test -z "${enable_wxwidgets}" && enable_wxwidgets=yes])
if test "${enable_wxwidgets}" = yes ; then
dnl variable used to determine if all checks pass
enable_wxwidgets_ok=yes
dnl Check for the C++ compiler
if test "x${cxxerror}" = "xyes"; then
AC_MSG_WARN([No C++ compiler found. The wxWidgets terminal will not be compiled.])
enable_wxwidgets_ok=no
fi
dnl The user can specify another path for wx-config
WXWIDGETS_PATH="${PATH}"
AC_ARG_WITH(wx,dnl
[--with-wx=DIR Where to find wx-config, the wxWidgets configuration program
(default search in $PATH)],
[ if test "${with_wx}" != "no" ; then
WXWIDGETS_PATH="${with_wx}:${PATH}"
fi ])
dnl Look for wx-config in the path
AC_PATH_PROG(WX_CONFIG, wx-config, no, ${WXWIDGETS_PATH})
if test "${WX_CONFIG}" = "no"; then
AC_MSG_WARN([wxWidgets can't be found. You can try --with-wx=DIR to give the right path to wx-config. The wxWidgets terminal will not be compiled.])
enable_wxwidgets_ok=no
else
dnl Ckeck for wxWidgets version
WXWIDGETS_VERSION=`${WX_CONFIG} --release`
if expr 2.6 \> ${WXWIDGETS_VERSION} >/dev/null; then
AC_MSG_WARN([Your development package for wxWidgets is too old, you need at least version 2.6. The wxWidgets terminal will not be compiled.])
enable_wxwidgets_ok=no
fi
if expr ${WXWIDGETS_VERSION} \> 2.8 >/dev/null; then
AC_DEFINE(WX_NEEDS_XINITTHREADS, 1, [wxWidgets >= 2.9 wants calling program to invoke XInit()])
fi
dnl Make sure we're using more than the 'base' wxWidgets. Those
if expr `${WX_CONFIG} --basename` : '.*base' >/dev/null; then
AC_MSG_WARN([You only have the 'base' flavor of wxWidgets. A full wxWidgets library is required. On Debian/Ubuntu, please make sure that you have a 'libwx...-dev' package other than just 'libwxbase...-dev' installed. The wxWidgets terminal will not be compiled.])
enable_wxwidgets_ok=no
fi
fi
dnl Check for Cairo
PKG_CHECK_MODULES_NOFAIL(CAIROPANGO, [cairo >= 0.9.0 pango >= 1.22 pangocairo >= 1.10])
if test $pkg_failed != no; then
AC_MSG_WARN([The wxWidgets terminal will not be compiled.])
enable_wxwidgets_ok=no
fi
fi
if test "${enable_wxwidgets_ok}" = yes ; then
WX_CXXFLAGS="`$WX_CONFIG --cxxflags | sed 's/-fno-exceptions//'` $CAIROPANGO_CFLAGS"
WX_LIBS="`$WX_CONFIG --libs` $CAIROPANGO_LIBS $LIBRARIES_FOR_X"
dnl Check for fork(), used for the 'persist' effect
AC_FUNC_FORK
dnl Check if wxWidgets uses gtk on this platform
WX_TOOLKIT="`$WX_CONFIG --query-toolkit`"
if test "${WX_TOOLKIT}" = gtk2 ; then
PKG_CHECK_MODULES(GTK, [gtk+-2.0], have_gtk=yes, have_gtk=no)
want_gtk=yes
elif test "${WX_TOOLKIT}" = gtk3 ; then
PKG_CHECK_MODULES(GTK, [gtk+-3.0], have_gtk=yes, have_gtk=no)
want_gtk=yes
fi
if test "${have_gtk}" = yes ; then
AC_DEFINE(HAVE_GTK, 1, [define if your wxWidgets uses the gtk toolkit])
WX_CXXFLAGS="$WX_CXXFLAGS $GTK_CFLAGS"
WX_LIBS="$WX_LIBS $GTK_LIBS"