diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..aa815fe --- /dev/null +++ b/configure.ac @@ -0,0 +1,295 @@ +# 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 +]) |