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# $Id: configure.ac 259 2004-02-02 02:54:43Z sam $
AC_INIT(src/caca.c)
AC_PREREQ(2.50)
AC_CONFIG_AUX_DIR(autotools)
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE(libcaca, 0.9)
AM_CONFIG_HEADER(config.h)
AM_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_RANLIB
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIGNAL
dnl AC_PROG_EGREP only exists in autoconf 2.54+, so we use AC_EGREP_CPP right
dnl now otherwise it might be set in an obscure if statement.
AC_EGREP_CPP(foo, foo)
dnl output driver features
AC_ARG_ENABLE(slang,
[ --enable-slang slang graphics support (autodetected)])
AC_ARG_ENABLE(ncurses,
[ --enable-ncurses ncurses graphics support (autodetected)])
AC_ARG_ENABLE(win32,
[ --enable-win32 Windows console support (autodetected)])
AC_ARG_ENABLE(conio,
[ --enable-conio DOS conio.h graphics support (autodetected)])
AC_ARG_ENABLE(x11,
[ --enable-x11 X11 support (autodetected)])
dnl example programs features
AC_ARG_ENABLE(imlib2,
[ --enable-imlib2 Imlib2 graphics support (default enabled)])
dnl conditional builds
AC_ARG_ENABLE(doc,
[ --enable-doc build documentation (needs doxygen and LaTeX)])
AC_CHECK_HEADERS(signal.h sys/ioctl.h sys/time.h inttypes.h endian.h unistd.h)
AC_CHECK_FUNCS(signal ioctl vsnprintf getenv putenv strcasecmp)
AC_CHECK_FUNCS(usleep gettimeofday)
AC_MSG_CHECKING(for Sleep)
AC_TRY_COMPILE([#include <windows.h>],[Sleep(42);],
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SLEEP, 1, [Define if you have Windows' Sleep])],
[AC_MSG_RESULT(no)])
AC_CHECK_LIB(m, sin, MATH_LIBS="${MATH_LIBS} -lm")
CACA_DRIVERS=""
if test "${enable_conio}" != "no"; then
ac_cv_my_have_conio="no"
AC_CHECK_HEADERS(conio.h,
[AC_MSG_CHECKING(for ScreenUpdate in pc.h)
AC_EGREP_HEADER(ScreenUpdate, pc.h,
[ac_cv_my_have_conio="yes"
AC_MSG_RESULT(yes)
AC_DEFINE(SCREENUPDATE_IN_PC_H, 1,
Define if <pc.h> defines ScreenUpdate.)
AC_DEFINE(USE_CONIO, 1, Define to activate the conio.h backend driver)
CACA_DRIVERS="${CACA_DRIVERS} conio"],
[AC_MSG_RESULT(no)])])
if test "${ac_cv_my_have_conio}" = "no" -a "${enable_conio}" = "yes"; then
AC_MSG_ERROR([cannot find conio.h])
fi
fi
if test "${enable_win32}" != "no"; then
ac_cv_my_have_win32="no"
AC_CHECK_HEADERS(windows.h,
[AC_MSG_CHECKING(for AllocConsole in windows.h)
AC_EGREP_HEADER(AllocConsole, windows.h,
[ac_cv_my_have_win32="yes"
AC_MSG_RESULT(yes)
AC_DEFINE(ALLOCCONSOLE_IN_WINDOWS_H, 1,
Define if <windows.h> defines AllocConsole.)
AC_DEFINE(USE_WIN32, 1, Define to activate the win32 backend driver)
CACA_DRIVERS="${CACA_DRIVERS} win32"],
[AC_MSG_RESULT(no)])])
if test "${ac_cv_my_have_win32}" = "no" -a "${enable_win32}" = "yes"; then
AC_MSG_ERROR([cannot find win32 console development files])
fi
fi
if test "${enable_slang}" != "no"; then
ac_cv_my_have_slang="no"
AC_CHECK_HEADERS(slang.h slang/slang.h,
[AC_CHECK_LIB(slang, SLkp_init,
[ac_cv_my_have_slang="yes"
AC_DEFINE(USE_SLANG, 1, Define to activate the slang backend driver)
CPPFLAGS="${CPPFLAGS} -DOPTIMISE_SLANG_PALETTE=1"
CACA_LIBS="${CACA_LIBS} -lslang"
CACA_DRIVERS="${CACA_DRIVERS} slang"])])
if test "${ac_cv_my_have_slang}" = "no" -a "${enable_slang}" = "yes"; then
AC_MSG_ERROR([cannot find slang development files])
fi
fi
if test "${enable_x11}" != "no"; then
AC_PATH_X
AC_CHECK_LIB(X11, XOpenDisplay,
[ac_cv_my_have_x11="yes"
if test -n "${x_includes}"; then X_CFLAGS="-I${x_includes}"; fi
if test -n "${x_libraries}"; then X_LIBS="-lX11 -L${x_libraries}"; fi
AC_DEFINE(USE_X11, 1, Define to activate the X11 backend driver)
CPPFLAGS="${CPPFLAGS} ${X_CFLAGS}"
CACA_LIBS="${CACA_LIBS} ${X_LIBS}"
CACA_DRIVERS="${CACA_DRIVERS} x11"],
[ac_cv_my_have_x11="no"],
[[-lXt -L${x_libraries}]])
AC_CHECK_HEADERS(X11/XKBlib.h)
if test "${ac_cv_my_have_x11}" != "yes" -a "${enable_x11}" = "yes"; then
AC_MSG_ERROR([cannot find X11 development files])
fi
fi
if test "${enable_ncurses}" != "no"; then
ac_cv_my_have_ncurses="no"
AC_CHECK_HEADERS(curses.h ncurses.h,
[AC_CHECK_LIB(ncurses, initscr,
[ac_cv_my_have_ncurses="yes"
AC_DEFINE(USE_NCURSES, 1, Define to activate the ncurses backend driver)
CACA_LIBS="${CACA_LIBS} -lncurses"
CACA_DRIVERS="${CACA_DRIVERS} ncurses"])])
if test "${ac_cv_my_have_ncurses}" = "no" -a "${enable_ncurses}" = "yes"; then
AC_MSG_ERROR([cannot find ncurses development files])
fi
fi
AC_MSG_CHECKING(valid output drivers)
if test -z "${CACA_DRIVERS}"; then
AC_MSG_RESULT(no)
AC_MSG_ERROR([no output drivers were selected!])
else
AC_MSG_RESULT([${CACA_DRIVERS}])
fi
AC_SUBST(MATH_LIBS)
AC_SUBST(CACA_LIBS)
# Optimizations
CFLAGS="${CFLAGS} -g -O2 -fno-strength-reduce -fomit-frame-pointer"
# Code qui fait des warnings == code de porc == deux baffes dans ta gueule
CFLAGS="${CFLAGS} -Wall -Wpointer-arith -Wcast-align -Wcast-qual -Wstrict-prototypes -Wshadow -Waggregate-return -Wmissing-prototypes -Wnested-externs -Wsign-compare"
# Build the PIC library?
case "${target_os}" in
*mingw32* | *cygwin* | *djgpp*)
NEED_PIC=false
;;
*)
NEED_PIC=:
;;
esac
AM_CONDITIONAL(NEED_PIC, ${NEED_PIC})
# Use Imlib2?
ac_cv_my_have_imlib2="no"
save_CPPFLAGS="${CPPFLAGS}"
if test "${enable_imlib2}" != "no"; then
AC_PATH_PROG(IMLIB2_CONFIG, imlib2-config, no)
if test "${IMLIB2_CONFIG}" != "no"; then
CPPFLAGS="${CPPFLAGS} `imlib2-config --cflags` -DX_DISPLAY_MISSING=1"
fi
AC_CHECK_HEADERS(Imlib2.h,
ac_cv_my_have_imlib2="yes",
[ac_cv_my_have_imlib2="no"
AC_MSG_ERROR([[cannot find Imlib2 development files. Without Imlib2, cacaview will only open BMP files; if this is really what you want, re-run configure with '--disable-imlib2'.]])])
CPPFLAGS="${save_CPPFLAGS}"
fi
AM_CONDITIONAL(USE_IMLIB2, test "${ac_cv_my_have_imlib2}" = "yes")
# Build documentation?
DOXYGEN="no"
LATEX="no"
if test "${enable_doc}" != "no"; then
AC_PATH_PROG(DOXYGEN, doxygen, no)
if test "${DOXYGEN}" = "no"; then
AC_MSG_ERROR([[cannot find doxygen, which is needed to build the libcaca documentation; if this is really what you want, re-run configure with '--disable-doc'.]])
fi
# Build LaTeX documentation?
AC_PATH_PROG(LATEX, latex, no)
AC_PATH_PROG(DVIPS, dvips, no)
if test "${DVIPS}" = "no"; then
LATEX="no"
fi
AC_MSG_CHECKING(for a4wide.sty)
if test -f /usr/share/texmf/tex/latex/misc/a4wide.sty; then
AC_MSG_RESULT(yes)
else
LATEX="no"
AC_MSG_RESULT(no)
fi
fi
AM_CONDITIONAL(BUILD_DOCUMENTATION, test "${DOXYGEN}" != "no")
AM_CONDITIONAL(USE_LATEX, test "${LATEX}" != "no")
AC_CONFIG_FILES([
Makefile
src/Makefile
examples/Makefile
test/Makefile
doc/Makefile
doc/doxygen.cfg
autotools/Makefile
debian/Makefile
msvc/Makefile
])
AC_CONFIG_FILES([caca-config], [chmod 0755 caca-config])
AC_OUTPUT
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