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# configure.ac for blassic
AC_INIT(version.cpp)
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
# Require autoconf >= 2.50
AC_PREREQ(2.50)
# Parse version.cpp to get the version number.
# The number is defined in version.cpp to avoid affecting the Windows
# compilation process.
#
# Julian: changed the "grep -w Major" for "grep 'version::Major'"
# because the -w option in not always present.
AC_MSG_CHECKING(for version number in $srcdir/version.cpp)
VERSION_MAJOR=`grep 'version::Major' $srcdir/version.cpp | \
sed 's/.*version::.*= *//;s/[[,;]]//'`
VERSION_MINOR=`grep 'version::Minor' $srcdir/version.cpp | \
sed 's/.*version::.*= *//;s/[[,;]]//'`
VERSION_RELEASE=`grep 'version::Release' $srcdir/version.cpp | \
sed 's/.*version::.*= *//;s/[[,;]]//'`
AC_MSG_RESULT([got $VERSION_MAJOR.$VERSION_MINOR.$VERSION_RELEASE])
if test "_$VERSION_MAJOR" = "_"; then
AC_MSG_ERROR([version::Major not found])
elif test "_$VERSION_MINOR" = "_"; then
AC_MSG_ERROR([version::Minor not found])
elif test "_$VERSION_RELEASE" = "_"; then
AC_MSG_ERROR([version::Release not found])
fi
AM_INIT_AUTOMAKE(blassic, $VERSION_MAJOR.$VERSION_MINOR.$VERSION_RELEASE)
# This is to check in the sources that configure has been used.
AC_DEFINE([BLASSIC_CONFIG])
# Checks for programs.
AC_PROG_CXX
AC_LANG_CPLUSPLUS
# Check if compiling for windows.
case "$host" in
*-*-cygwin*|*mingw*)
HOST_WIN=1
;;
*)
;;
esac
###############################################################################
# Option to disable graphics.
AC_ARG_ENABLE(graphics, AC_HELP_STRING(
[--enable-graphics], [Use graphics [[yes]]] ) )
if test "$enable_graphics" = "no"; then
AC_MSG_RESULT([not using graphics])
AC_DEFINE(BLASSIC_CONFIG_NO_GRAPHICS)
else
AC_MSG_RESULT([using graphics])
fi
###############################################################################
# Option to disable curses / ncurses.
if test "_$HOST_WIN" != _1
then
AC_ARG_ENABLE(curses, AC_HELP_STRING(
[--enable-curses], [Use curses [[yes]]] ) )
if test "$enable_curses" = "no"; then
AC_MSG_RESULT([not using curses])
AC_DEFINE(BLASSIC_CONFIG_NO_CURSES)
else
AC_MSG_RESULT([using curses])
# Option to disable ncurses, checking only curses
AC_ARG_ENABLE(curses, AC_HELP_STRING(
[--enable-ncurses],
[Check ncurses before curses [[yes]]] ) )
if test "$enable_ncurses" = "no"; then
AC_MSG_RESULT([not checking ncurses])
AC_DEFINE(BLASSIC_CONFIG_NO_NCURSES)
else
AC_MSG_RESULT([checking ncurses])
fi
fi
fi
###############################################################################
# Option to enable svgalib (actually unsupported).
if test "_$HOST_WIN" != _1
then
AC_ARG_ENABLE(svgalib, AC_HELP_STRING(
[--enable-svgalib], [Use svgalib [[yes]]] ),
[
if test "_$enableval" = "_no"; then
:
AC_SUBST(SVGALIB_CFLAGS)
AC_SUBST(SVGALIB_LIBS)
else
AM_PATH_SVGALIB(1.4.0)
fi
],
[
:
AC_SUBST(SVGALIB_CFLAGS)
AC_SUBST(SVGALIB_LIBS)
]
)
if test "_$SVGALIB_LIBS" = "_"; then
AC_MSG_RESULT([not using svgalib])
fi
fi
###############################################################################
# Check for cross-compiling:
if test "$cross_compiling" = "yes"
then
if test "$CXX_FOR_BUILD" = ""
then
CXX_FOR_BUILD="g++"
fi
AC_SUBST(CXX_FOR_BUILD,[$CXX_FOR_BUILD])
if test "$CXXFLAGS_FOR_BUILD" = ""
then
CXXFLAGS_FOR_BUILD=$CXXFLGAS
fi
AC_SUBST(CXXFLAGS_FOR_BUILD,[$CXXFLAGS_FOR_BUILD])
else
AC_SUBST(CXX_FOR_BUILD,[$CXX])
AC_SUBST(CXXFLAGS_FOR_BUILD,[$CXXFLAGS])
fi
###############################################################################
# Check headers and libs.
# Compatibility with old versions of C++
AC_CHECK_HEADERS([cstdlib])
# Cursor, graphics and printer.
case "$host" in
*-*-cygwin*|*mingw*)
AC_SUBST(CYGWIN_FLAGS, ["-lgdi32 -lwsock32 -lwinspool"])
# isatty can be defined here or in unistd.h
AC_CHECK_HEADERS([io.h])
;;
*)
AC_SUBST(CYGWIN_FLAGS)
# Check for sys/mman.h, needed for mmap.
# This test seems to not work correctly when cross-compiling.
#AC_FUNC_MMAP
AC_CHECK_HEADERS([sys/mman.h], AC_DEFINE([HAVE_MMAP], 1) )
# If the systems has libdl, use it.
AC_CHECK_LIB(dl, dlopen)
# Check for ncurses, if not found for curses.
# Done in a complicated way to work in all possible cases
# and avoid to link both libs.
if test "$enable_curses" != "no"
then
if test "$enable_ncurses" != "no"
then
AC_MSG_NOTICE([checking if ncurses or curses can be used])
else
AC_MSG_NOTICE([checking if curses can be used])
fi
if test "$enable_ncurses" != "no"
then
ncurses_found=yes
AC_CHECK_HEADERS([ncurses.h],,[ncurses_found=no])
if test "$ncurses_found" = yes
then
AC_CHECK_LIB([ncurses],[tputs],,[ncurses_found=no])
if test "$ncurses_found" = yes
then
AC_DEFINE(BLASSIC_CONFIG_USE_NCURSES)
AC_MSG_NOTICE([using ncurses])
else
AC_MSG_WARN([ncurses header found but no lib])
fi
fi
fi
if test "$ncurses_found" != yes
then
if test "$enable_ncurses" != "no"
then
AC_MSG_NOTICE([ncurses not available, checking curses])
fi
curses_found=yes
AC_CHECK_HEADERS([curses.h],,[curses_found=no])
if test "$curses_found" = yes
then
AC_CHECK_LIB(curses,tputs,,[curses_found=no])
if test "$curses_found" = yes
then
AC_DEFINE(BLASSIC_CONFIG_USE_CURSES)
if test "$enable_ncurses" != "no"
then
AC_MSG_NOTICE([using curses])
fi
else
AC_MSG_WARN([curses header found but no lib])
fi
fi
fi
if test "$ncurses_found" != yes && test "$curses_found" != yes
then
AC_MSG_NOTICE([not using curses])
fi
AC_CHECK_HEADERS([term.h])
fi
# Check X11.
if test "$enable_graphics" != "no"
then
AC_PATH_XTRA
if test "x$no_x" = xyes
then
AC_MSG_NOTICE([X not available or disabled, disabling graphics])
AC_DEFINE(BLASSIC_CONFIG_NO_GRAPHICS)
else
xflags="$X_CFLAGS"
xlibs="$X_LIBS"
xadd="$X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
fi
fi
AC_SUBST([BL_X_CFLAGS], [$xflags] )
AC_SUBST([BL_X_LIBS], [$xlibs] )
AC_SUBST([BL_X_ADD], [$xadd] )
AC_HEADER_SYS_WAIT
# Check some variants used in debugging when available.
AC_CHECK_MEMBERS([siginfo_t.si_ptr],,,[#include <signal.h>])
;;
esac
# Check availability of hyperbolic trigonometric functions.
AC_CHECK_DECLS([asinh, acosh, atanh], , , [#include <math.h>] )
###############################################################################
AC_ARG_ENABLE(installed-examples, AC_HELP_STRING(
[--enable-installed-examples],
[Install the example programs [[yes]]] ),
[
if test "_$enableval" = "_no"; then
INSTALL_EXAMPLE_PROGS=no
else
INSTALL_EXAMPLE_PROGS=yes
fi
],
[
INSTALL_EXAMPLE_PROGS=yes
]
)
AM_CONDITIONAL(INSTALL_EXAMPLE_PROGS, [test "_$INSTALL_EXAMPLE_PROGS" = _yes])
###############################################################################
# Generate files.
AC_OUTPUT([
Makefile
blassic.spec
])
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