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,$[@].a -Wl,--export-all-symbols -Wl,--add-stdcall-alias'
;;
esac
])
AC_DEFUN(DC_DO_TCL, [
AC_MSG_CHECKING([path to tcl])
AC_ARG_WITH(tcl, AC_HELP_STRING([--with-tcl], [directory containing tcl configuration (tclConfig.sh)]), [], [
with_tcl="auto"
])
if test "${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} ${TCL_LIBS}"
KITDLL_LIB_VERSION=`echo "${TCL_VERSION}${TCL_PATCH_LEVEL}" | sed 's@\.@@g'`
fi
AC_SUBST(CFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LIBS)
AC_SUBST(KITDLL_LIB_VERSION)
AC_MSG_RESULT([$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="${CFLAGS} -mms-bitfields"
;;
esac
])
AC_DEFUN(DC_TEST_WHOLE_ARCHIVE_SHARED_LIB, [
SAVE_LIBS="${LIBS}"
LIBS="${WHOLEARCHIVE} $1 ${NOWHOLEARCHIVE} ${SAVE_LIBS}"
AC_LINK_IFELSE(
AC_LANG_PROGRAM([[
]], [[
]]
),
[
LIBS="${SAVE_LIBS}"
$2
], [
LIBS="${SAVE_LIBS}"
$3
]
)
])
AC_DEFUN(DC_FIND_TCLKIT_LIBS, [
DC_SETUP_TCL_PLAT_DEFS
WISH_CFLAGS=""
dnl We will need this for the Tcl project, which we will always have
DC_CHECK_FOR_WHOLE_ARCHIVE
for proj in tcl tclvfs tk; do
AC_MSG_CHECKING([for libraries required for ${proj}])
libdir="../../../${proj}/inst"
libfiles="`find "${libdir}" -name '*.a' 2>/dev/null | tr "\n" ' '`"
libfilesnostub="`find "${libdir}" -name '*.a' 2>/dev/null | grep -v 'stub' | tr "\n" ' '`"
for libfile in ${libfiles}; do
LDFLAGS="${LDFLAGS} -L`dirname "${libfile}"`"
done
if test "$proj" = "tcl"; then
DC_TEST_WHOLE_ARCHIVE_SHARED_LIB([$ARCHS $libfilesnostub], [
libfiles="${libfilesnostub}"
], [
DC_TEST_WHOLE_ARCHIVE_SHARED_LIB([$ARCHS $libfiles], [
libfiles="${libfiles}"
])
])
fi
if test "${proj}" = "mk4tcl"; then
if test -n "$libfilesnostub"; then
AC_DEFINE(KIT_INCLUDES_MK4TCL, [1], [Specify this if you link against mkt4tcl])
fi
fi
if test "$proj" = "tk"; then
if test -n "$libfilesnostub"; then
DC_DO_TK
DC_TEST_WHOLE_ARCHIVE_SHARED_LIB([$ARCHS $libfilesnostub], [
libfiles="${libfilesnostub}"
], [
DC_TEST_WHOLE_ARCHIVE_SHARED_LIB([$ARCHS $libfiles], [
libfiles="${libfiles}"
])
])
AC_DEFINE(KIT_INCLUDES_TK, [1], [Specify this if we link statically to Tk])
if test -n "${TK_VERSION}"; then
AC_DEFINE_UNQUOTED(KIT_TK_VERSION, "${TK_VERSION}${TK_PATCH_LEVEL}", [Specify the version of Tk])
fi
if test "$host_os" = "mingw32msvc" -o "$host_os" = "mingw32"; then
WISH_CFLAGS="-mwindows"
fi
fi
fi
ARCHS="${ARCHS} ${libfiles}"
AC_MSG_RESULT([${libfiles}])
done
AC_SUBST(WISH_CFLAGS)
AC_SUBST(ARCHS)
])
AC_DEFUN(DC_CHECK_FOR_ACCEPTABLE_DLADDR, [
AC_CHECK_HEADERS(dlfcn.h)
AC_CHECK_FUNCS(dladdr)
AC_MSG_CHECKING([for acceptable dladdr])
AC_LINK_IFELSE(
AC_LANG_PROGRAM([[
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#endif
]], [[
char *x;
Dl_info syminfo;
dladdr((void *) 0, &syminfo);
x = syminfo.dli_fname;
]]
),
[
AC_MSG_RESULT([found])
AC_DEFINE(HAVE_ACCEPTABLE_DLADDR, [1], [Define to 1 if you have an acceptable dladdr implementation with dli_fname])
], [
AC_MSG_RESULT([not found])
]
)
])
AC_DEFUN(DC_CHECK_FOR_WHOLE_ARCHIVE, [
AC_MSG_CHECKING([for how to link whole archive])
SAVE_CFLAGS="${CFLAGS}"
wholearchive=""
for check in "-Wl,--whole-archive -Wl,--no-whole-archive" "-Wl,-z,allextract -Wl,-z,defaultextract"; do
CFLAGS="${SAVE_CFLAGS} ${check}"
AC_LINK_IFELSE(AC_LANG_PROGRAM([], []),
[
wholearchive="${check}"
break
]
)
done
CFLAGS="${SAVE_CFLAGS}"
if test -z "${wholearchive}"; then
AC_MSG_RESULT([not found])
else
AC_MSG_RESULT([${wholearchive}])
WHOLEARCHIVE=`echo "${wholearchive}" | cut -f 1 -d ' '`
NOWHOLEARCHIVE=`echo "${wholearchive}" | cut -f 2 -d ' '`
fi
AC_SUBST(WHOLEARCHIVE)
AC_SUBST(NOWHOLEARCHIVE)
])