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dnl
dnl $Id: teax.m4 1814 2006-10-17 09:32:39Z lecoanet $
dnl
dnl Additional autoconf macros for TEA
dnl
dnl
dnl _TEAX_CHECK_MSVC --
dnl
dnl Defines the shell variable "USING_MSVC" as "yes" or "no".
dnl Several tests on Windows work differently depending on
dnl whether we're using MSVC or GCC. Current heuristic:
dnl if it's Windows, and CC is not gcc, we're using MSVC.
dnl
dnl This macro doesn't need to be called from configure.ac;
dnl other macros that need it will AC_REQUIRE it.
dnl
AC_DEFUN([_TEAX_CHECK_MSVC],[
#@ _TEAX_CHECK_MSVC
AC_REQUIRE([AC_PROG_CC])
if test "${TEA_PLATFORM}" = "windows" -a "$GCC" != "yes"; then
USING_MSVC="yes"
else
USING_MSVC="no"
fi;
])
dnl TEAX_CONFIG_LDFLAGS --
dnl
dnl Sets the following additional variables used when building libraries:
dnl
dnl SHLIB_LD_OUT
dnl Either "-o " or "/out:" depending on whether SHLIB_LD
dnl is a Unix-style linker (ld) or MS-style (link)
dnl
dnl STLIB_LD_OUT --
dnl Either " " or "/out:" depending on whether STLIB_LD
dnl is Unix-style (ar) or MS-style (lib)
dnl
dnl SHLIB_SUFFIX --
dnl Suffix for shared libraries. This is actually computed by
dnl TEA_CONFIG_CFLAGS, but it doesn't AC_SUBST() it.
dnl
dnl STLIB_SUFFIX --
dnl Suffix for static libraries (.a, .lib, ...)
dnl
dnl LIB_PREFIX --
dnl Prefix for library names; either "lib" or empty.
dnl
AC_DEFUN([TEAX_CONFIG_LDFLAGS],[
#@ TEAX_CONFIG_LDFLAGS
AC_REQUIRE([_TEAX_CHECK_MSVC])
if test "${USING_MSVC}" = "yes"; then
SHLIB_LD_OUT="/out:"
STLIB_LD_OUT="/out:"
STLIB_SUFFIX=".lib"
LIB_PREFIX=""
else
SHLIB_LD_OUT="-o "
STLIB_LD_OUT=" "
STLIB_SUFFIX=".a"
LIB_PREFIX="lib"
fi
AC_SUBST(SHLIB_LD_OUT)
AC_SUBST(STLIB_LD_OUT)
AC_SUBST(SHLIB_SUFFIX)
AC_SUBST(STLIB_SUFFIX)
AC_SUBST(LIB_PREFIX)
])
dnl TEAX_EXPAND_CFLAGS --
dnl Computes final value of CFLAGS macro.
dnl
dnl Uses the same logic as TEA_MAKE_LIB, except that
dnl ${CFLAGS_DEFAULT}, ${CFLAGS_WARNING}, and ${SHLIB_CFLAGS}
dnl are expanded at configure-time instead of at make-time.
dnl
AC_DEFUN([TEAX_EXPAND_CFLAGS],[
#@ TEAX_EXPAND_CFLAGS
AC_REQUIRE([TEA_ENABLE_SYMBOLS])
CFLAGS="${CFLAGS} ${CFLAGS_DEFAULT} ${CFLAGS_WARNING}"
if test "${SHARED_BUILD}" = "1" ; then
CFLAGS="${CFLAGS} ${SHLIB_CFLAGS}"
fi
])
dnl TEAX_FIX_LIB_SPECS --
dnl TCL_STUB_LIB_SPEC is supposed to contain the linker flags
dnl for picking up the Tcl stub library; however, the settings
dnl in tclConfig.sh only work on Unix and with GCC on Windows.
dnl TEAX_FIX_LIB_SPECS adjusts TCL_STUB_LIB_SPEC et. al. so
dnl they work with MSVC as well.
dnl
dnl (TEA_MAKE_LIB works around this in a different way.)
dnl
AC_DEFUN([TEAX_FIX_LIB_SPECS],[
#@TEAX_FIX_LIB_SPECS
AC_REQUIRE([_TEAX_CHECK_MSVC])
if test "${USING_MSVC}" = "yes"; then
TCL_STUB_LIB_SPEC="$TCL_STUB_LIB_PATH"
TK_STUB_LIB_SPEC="$TK_STUB_LIB_PATH"
# tclConfig.sh doesn't define TCL_LIB_SPEC, but if it did,
# it would be as follows:
eval TCL_LIB_SPEC="${TCL_EXEC_PREFIX}/lib/$TCL_LIB_FILE"
# Same for TK_LIB_SPEC:
eval TK_LIB_SPEC="${TK_EXEC_PREFIX}/lib/$TK_LIB_FILE"
fi
])
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