dnl Usage:
dnl DC_TEST_SHOBJFLAGS(shobjflags, shobjldflags, action-if-not-found)
dnl
AC_DEFUN(DC_TEST_SHOBJFLAGS, [
AC_SUBST(SHOBJFLAGS)
AC_SUBST(SHOBJLDFLAGS)
OLD_LDFLAGS="$LDFLAGS"
SHOBJFLAGS=""
LDFLAGS="$OLD_LDFLAGS $1 $2"
AC_TRY_LINK([#include <stdio.h>
int unrestst(void);], [ printf("okay\n"); unrestst(); return(0); ], [ SHOBJFLAGS="$1"; SHOBJLDFLAGS="$2" ], [
LDFLAGS="$OLD_LDFLAGS"
$3
])
LDFLAGS="$OLD_LDFLAGS"
])
AC_DEFUN(DC_GET_SHOBJFLAGS, [
AC_SUBST(SHOBJFLAGS)
AC_SUBST(SHOBJLDFLAGS)
AC_MSG_CHECKING(how to create shared objects)
if test -z "$SHOBJFLAGS" -a -z "$SHOBJLDFLAGS"; then
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared -rdynamic], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared -rdynamic -mimpure-text], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared -mimpure-text], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared -rdynamic -Wl,-G,-z,textoff], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared -Wl,-G,-z,textoff], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-shared -dynamiclib -flat_namespace -undefined suppress -bind_at_load], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-dynamiclib -flat_namespace -undefined suppress -bind_at_load], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-Wl,-dynamiclib -Wl,-flat_namespace -Wl,-undefined,suppress -Wl,-bind_at_load], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-dynamiclib -flat_namespace -undefined suppress], [
DC_TEST_SHOBJFLAGS([-fPIC -DPIC], [-dynamiclib], [
AC_MSG_RESULT(cant)
AC_MSG_ERROR([We are unable to make shared objects.])
])
])
])
])
])
])
])
])
])
])
])
fi
AC_MSG_RESULT($SHOBJLDFLAGS $SHOBJFLAGS)
])
AC_DEFUN(DC_CHK_OS_INFO, [
AC_CANONICAL_HOST
AC_SUBST(SHOBJEXT)
AC_SUBST(AREXT)
AC_SUBST(SHOBJFLAGS)
AC_SUBST(SHOBJLDFLAGS)
AC_MSG_CHECKING(host operating system)
AC_MSG_RESULT($host_os)
SHOBJEXT="so"
AREXT="a"
case $host_os in
darwin*)
SHOBJEXT="dylib"
;;
hpux*)
SHOBJEXT="sl"
;;
mingw*)
SHOBJEXT="dll"
SHOBJFLAGS="-mno-cygwin -mms-bitfields -DPIC"
SHOBJLDFLAGS='-shared -Wl,--dll -Wl,--enable-auto-image-base -Wl,--output-def,$[@].def,--out-implib,$[@].a'
;;
esac
])
AC_DEFUN(DC_DO_TCL, [
AC_MSG_CHECKING([path to tcl])
AC_ARG_WITH(tcl, AC_HELP_STRING([--with-tcl], [directory containing tcl configuration (tclConfig.sh)]), [], [
with_tcl="auto"
])
if test "${with_tcl}" = "auto"; then
for dir in `echo "${PATH}" | sed 's@:@ @g'`; do
if test -f "${dir}/tclConfig.sh"; then
tclconfigshdir="${dir}"
tclconfigsh="${tclconfigshdir}/tclConfig.sh"
break
fi
if test -f "${dir}/../lib/tclConfig.sh"; then
tclconfigshdir="${dir}/../lib"
tclconfigsh="${tclconfigshdir}/tclConfig.sh"
break
fi
if test -f "${dir}/../lib64/tclConfig.sh"; then
tclconfigshdir="${dir}/../lib64"
tclconfigsh="${tclconfigshdir}/tclConfig.sh"
break
fi
done
if test -z "${tclconfigsh}"; then
AC_MSG_ERROR([Unable to find tclConfig.sh])
fi
else
tclconfigshdir="${with_tcl}"
tclconfigsh="${tclconfigshdir}/tclConfig.sh"
fi
if test -f "${tclconfigsh}"; then
. "${tclconfigsh}"
CFLAGS="${CFLAGS} ${TCL_INCLUDE_SPEC} -I${TCL_SRC_DIR}/generic -I${tclconfigshdir}"
CPPFLAGS="${CPPFLAGS} ${TCL_INCLUDE_SPEC} -I${TCL_SRC_DIR}/generic -I${tclconfigshdir}"
LIBS="${LIBS} ${TCL_LIBS}"
fi
AC_SUBST(CFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LIBS)
AC_SUBST(TCL_LIB_SPEC)
AC_MSG_RESULT([$tclconfigsh])
])
AC_DEFUN(DC_DO_TK, [
AC_MSG_CHECKING([path to tk])
AC_ARG_WITH(tk, AC_HELP_STRING([--with-tk], [directory containing tk configuration (tkConfig.sh)]), [], [
with_tk="auto"
])
if test "${with_tk}" = "auto"; then
for dir in ../../../tk/build/tk*/*/ `echo "${PATH}" | sed 's@:@ @g'`; do
if test -f "${dir}/tkConfig.sh"; then
tkconfigshdir="${dir}"
tkconfigsh="${tkconfigshdir}/tkConfig.sh"
break
fi
if test -f "${dir}/../lib/tkConfig.sh"; then
tkconfigshdir="${dir}/../lib"
tkconfigsh="${tkconfigshdir}/tkConfig.sh"
break
fi
if test -f "${dir}/../lib64/tkConfig.sh"; then
tkconfigshdir="${dir}/../lib64"
tkconfigsh="${tkconfigshdir}/tkConfig.sh"
break
fi
done
if test -z "${tkconfigsh}"; then
AC_MSG_ERROR([Unable to find tkConfig.sh])
fi
else
tkconfigshdir="${with_tk}"
tkconfigsh="${tkconfigshdir}/tkConfig.sh"
fi
if test -f "${tkconfigsh}"; then
. "${tkconfigsh}"
CFLAGS="${CFLAGS} ${TK_INCLUDE_SPEC} -I${tkconfigshdir} -I${TK_SRC_DIR}/generic -I${TK_SRC_DIR}/xlib"
CPPFLAGS="${CPPFLAGS} ${TK_INCLUDE_SPEC} -I${tkconfigshdir} -I${TK_SRC_DIR}/generic -I${TK_SRC_DIR}/xlib"
LIBS="${LIBS} ${TK_LIBS}"
NEWLIBS=""
for lib in ${LIBS}; do
if echo "${lib}" | grep '^-l' >/dev/null; then
if echo " ${NEWLIBS} " | grep " ${lib} " >/dev/null; then
continue
fi
fi
NEWLIBS="${NEWLIBS} ${lib}"
done
LIBS="${NEWLIBS}"
unset NEWLIBS
fi
AC_SUBST(CFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LIBS)
AC_MSG_RESULT([$tkconfigsh])
])
AC_DEFUN(DC_SETUP_TCL_PLAT_DEFS, [
AC_CANONICAL_HOST
AC_MSG_CHECKING(host operating system)
AC_MSG_RESULT($host_os)
case $host_os in
mingw32*)
CFLAGS="${CFLAGS} -mno-cygwin -mms-bitfields"
dnl If we are building for Win32, we need to define "BUILD_tcl" so that
dnl TCL_STORAGE_CLASS gets defined as DLLEXPORT, to make static linking
dnl work
AC_DEFINE(BUILD_tcl, [1], [Define if you need to pretend to be building Tcl (Windows)])
AC_DEFINE(BUILD_tk, [1], [Define if you need to pretend to be building Tk (Windows)])
;;
cygwin*)
CFLAGS="${CFLAGS} -mms-bitfields"
;;
esac
])