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#
# $Id: configure.ac 178 2011-02-14 20:07:43Z Michael.McTernan@gmail.com $
#
AC_INIT([mscgen],[0.20],[Michael.McTernan.2001@cs.bris.ac.uk])
AC_PREREQ(2.59)
AC_CONFIG_FILES([Makefile])
AC_CONFIG_FILES([src/Makefile])
AC_CONFIG_FILES([man/Makefile])
AC_CONFIG_FILES([test/Makefile])
AC_CONFIG_FILES([examples/Makefile])
AC_CONFIG_HEADERS([config.h])
AC_HEADER_STDC
AM_INIT_AUTOMAKE
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_SED
AM_PROG_LEX
AC_PROG_YACC
AC_PROG_INSTALL
PKG_PROG_PKG_CONFIG
AC_CHECK_HEADERS([unistd.h])
AC_CHECK_HEADERS([limits.h])
#
# Check if libgd is needed
#
AC_ARG_WITH([png],
[AS_HELP_STRING([--without-png],
[Remove png-support and dependence on libgd @<:@default=no@:>@])],
[if test "$withval" = "no" ; then
AC_DEFINE_UNQUOTED(REMOVE_PNG_OUTPUT, )
with_libgd=no
fi]
)
AH_TEMPLATE([REMOVE_PNG_OUTPUT],
[If set, remove PNG output support thereby removing libgd dependence.])
# Try to figure out how gd works if we need it.
# GD may be packaged with either gdlib-config or using pkg-config.
# This is a real pain, so we try both and hope one works okay.
#
if test "x$with_libgd" != "xno"; then
# Get compile and link options from either gdlib-config or pkg-config
AC_PATH_PROG(GDLIB_CONFIG,gdlib-config)
if test -n "$GDLIB_CONFIG"; then
# Allow command line override as per PKG_CHECK macro
if test -z "$GDLIB_CFLAGS"; then
GDLIB_CFLAGS="`$GDLIB_CONFIG --cflags`"
fi
if test -z "$GDLIB_LIBS"; then
GDLIB_LIBS="`$GDLIB_CONFIG --ldflags` `$GDLIB_CONFIG --libs`"
fi
else
PKG_CHECK_MODULES([GDLIB], [gdlib])
fi
# Update flags with what we've found so far
CPPFLAGS="$CPPFLAGS $GDLIB_CFLAGS"
LIBS="$LIBS $GDLIB_LIBS"
# Check we can use gd.h, otherwise the config isn't right
AC_CHECK_HEADER(gd.h,, AC_MSG_ERROR([Failed to find gd.h]))
# Some versions of gdlib.pc and gdlib-config fail to include -lgd in the link
# flags. Therefore check if it needs to be added, along with libm.
# Note: We don't use AC_SEARCH_LIBS() since that fails if compiling on Win32
# using -mno-cygwin since it doesn't get the correct definition of
# gdImageColorAllocate() from gd.h and hence fails the link.
AC_MSG_CHECKING([if gdImageColorAllocate() can be linked])
gdlib=no
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <gd.h>]],[[gdImageColorAllocate(0,0,0,0);]])],
gdlib=yes,
gdlib=no)
if test "x$gdlib" = xno; then
LIBS="$LIBS -lgd"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <gd.h>]],[[gdImageColorAllocate(0,0,0,0);]])],
gdlib="yes (-lgd)",
gdlib=no)
fi
if test "x$gdlib" = xno; then
LIBS="$LIBS -lm"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <gd.h>]],[[gdImageColorAllocate(0,0,0,0);]])],
gdlib="yes (-lgd -lm)",
gdlib=no)
fi
AC_MSG_RESULT([$gdlib])
# Check if FreeType support needs testing
AC_ARG_WITH([freetype],
[AS_HELP_STRING([--with-freetype], [Enable FreeType font rendering @<:@default=no@:>@])],
with_freetype=yes)
# Check if libgd has FreeType support and is usable (i.e. has required libs)
if test "x$with_freetype" = xyes ; then
AC_MSG_CHECKING([if gdImageStringFT() can be linked])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <gd.h>]],[[gdImageStringFT(0,0,0,0,0,0,0,0,0);]])],
with_freetype=yes,
with_freetype=no)
AC_MSG_RESULT($with_freetype)
if test "x$with_freetype" = xyes ; then
AC_DEFINE_UNQUOTED(USE_FREETYPE, 1)
else
AC_MSG_ERROR([FreeType use was requested, but FreeType support was not found to be usable in libgd])
fi
fi
fi
AH_TEMPLATE([USE_FREETYPE],
[Use FreeType for rendering text in PNGs.])
# Older versions of autoconf (<2.60?) fail to define docdir
if test -z "$docdir" ; then
docdir='${datadir}/doc/mscgen-${PACKAGE_VERSION}'
AC_SUBST(docdir)
fi
AC_OUTPUT
|
