# This macro saves the BSP-specific variables (such as CC, CXX, CPP, ...)
# into intermediate variables from where they can be restored
# with TILLAC_RTEMS_RESET_MAKEVARS
#
# Note: this macro should not be used directly. It is expanded from
# TILLAC_RTEMS_SETUP
#
# TILLAC_RTEMS_SAVE_MAKEVARS
AC_DEFUN([TILLAC_RTEMS_SAVE_MAKEVARS],
[
tillac_rtems_cc_orig="$CC"
tillac_rtems_cxx_orig="$CXX"
tillac_rtems_ccas_orig="$CCAS"
tillac_rtems_cpp_orig="$CPP"
tillac_rtems_ldflags_orig="$LDFLAGS"
tillac_rtems_bsp_family_orig=""
tillac_rtems_bsp_insttop_orig=""]dnl
)
# This macro restores the BSP-specific variables (such as CC, CXX, CPP, ...)
# from intermediate variables that were set by TILLAC_RTEMS_SAVE_MAKEVARS
#
# Note: this macro should not be used directly. It is expanded from
# TILLAC_RTEMS_SETUP
#
# TILLAC_RTEMS_RESET_MAKEVARS
AC_DEFUN([TILLAC_RTEMS_RESET_MAKEVARS],
[
RTEMS_TILL_MAKEVARS_SET=NO
CC="$tillac_rtems_cc_orig"
CXX="$tillac_rtems_cxx_orig"
CCAS="$tillac_rtems_ccas_orig"
CPP="$tillac_rtems_cpp_orig"
LDFLAGS="$tillac_rtems_ldflags_orig"
RTEMS_BSP_FAMILY="$tillac_rtems_family_orig"
RTEMS_BSP_INSTTOP="$tillac_rtems_insttop_orig"]dnl
)
# Determine critical, BSP-specific build parameters from the
# RTEMS makefiles. These parameters are cflags, gccspecs, ...
#
# Note: this macro should not be used directly. It is expanded from
# TILLAC_RTEMS_SETUP
#
# TILLAC_RTEMS_MAKEVARS(HOST_SYSTEM, BSP)
AC_DEFUN([TILLAC_RTEMS_MAKEVARS],
[
AC_MSG_CHECKING([Determining RTEMS Makefile parameters for BSP:])
dnl DOWNEXT is set in leaf.cfg and we don't include that
if _tillac_rtems_result=`make -s -f - rtems_makevars <<EOF_
include $with_rtems_top/$1/$2/Makefile.inc
include \\\$(RTEMS_CUSTOM)
include \\\$(CONFIG.CC)
rtems_makevars:
@echo tillac_rtems_cpu_cflags=\'\\\$(CPU_CFLAGS) \\\$(AM_CFLAGS)\'
@echo tillac_rtems_gccspecs=\'\\\$(GCCSPECS)\'
@echo tillac_rtems_cpu_asflags=\'\\\$(CPU_ASFLAGS)\'
@echo tillac_rtems_ldflags=\'\\\$(AM_LDFLAGS) \\\$(LDFLAGS)\'
@echo tillac_rtems_cppflags=
@echo RTEMS_BSP_FAMILY=\'\\\$(RTEMS_BSP_FAMILY)\'
@echo RTEMS_BSP_INSTTOP=\'\\\$(PROJECT_RELEASE)\'
EOF_
` ; then
AC_MSG_RESULT([OK: $_tillac_rtems_result])
else
AC_MSG_ERROR([$_tillac_rtems_result])
fi
# propagate cpu_cflags and gccspecs into currently executing shell
eval $_tillac_rtems_result
export RTEMS_BSP_INSTTOP="$RTEMS_BSP_INSTTOP"
export RTEMS_BSP_FAMILY="$RTEMS_BSP_FAMILY"]dnl
)
# Export the set of critical, BSP-specific build parameters
# (cflags, gccspecs, ...) that were determined by TILLAC_RTEMS_MAKEVARS
# into the environment.
#
# This macro takes two (optional) arguments:
#
# <HOST_SYSTEM> and <LIBSUBDIR>
#
# The macro also, adds the paths listed in the --with-extra-incdirs and
# --with-extra-libdirs options to the cppflags and ldflags, respectively
# (adding -I, -L). If 'LIBSUBDIR' is given then it is appended to
# any of the directories listed in --with-extra-libdirs (if the LIBSUBDIR
# exists) there.
#
# Furthermore, if it is determined that RTEMS was configured for
# a multilibbed cpukit then
# i) -I${with_rtems_top}/${host_cpu}-${host_os}/include
# is added to the cppflags (if the directory exists)
# ii) -B${with_rtems_top}/<HOST_SYSTEM>/lib is added to the
# gcc specs so that multilibs are found (workaround for
# a bug in the rtems 4.9.0 makefiles)
#
# Note: this macro should not be used directly. It is expanded from
# TILLAC_RTEMS_SETUP
#
# TILLAC_RTEMS_EXPORT_MAKEVARS([HOST_SYSTEM],[LIBSUBDIR])
AC_DEFUN([TILLAC_RTEMS_EXPORT_MAKEVARS],
[
AC_MSG_CHECKING([Checking if RTEMS CC & friends MAKEVARS are already set])
if test ! "${RTEMS_TILL_MAKEVARS_SET}" = "YES"; then
AC_MSG_RESULT([No (probably a multilibbed build)])
export RTEMS_TILL_MAKEVARS_SET=YES
# if this is a multilibbed cpukit we need to include
if test -d $with_rtems_top/${host_cpu}-${host_os}/include ; then
tillac_rtems_cppflags="$tillac_rtems_cppflags -I$with_rtems_top/${host_cpu}-${host_os}/include"
# and since the RTEMS (4.9) makefiles seem to be broken
# for multilibbed cpukits (fail to add -B <libdir>) we
# do it here
tillac_rtems_gccspecs="$tillac_rtems_gccspecs -B $with_rtems_top/$1/lib"
fi
if test "${with_extra_incdirs+set}" = "set" ; then
for tillac_extra_incs_val in ${with_extra_incdirs} ; do
tillac_rtems_cppflags="$tillac_rtems_cppflags -I$tillac_extra_incs_val"
done
fi
if test "${with_extra_libdirs+set}" = "set" ; then
for tillac_extra_libs_val in ${with_extra_libdirs} ; do
if test -d $tillac_extra_libs_val/$2 ; then
tillac_rtems_ldflags="$tillac_rtems_ldflags -L$tillac_extra_libs_val/$2"
else
tillac_rtems_ldflags="$tillac_rtems_ldflags -L$tillac_extra_libs_val"
fi
done
fi
#export forged CC & friends so that they are used by sub-configures, too
export CC="$CC $tillac_rtems_gccspecs $tillac_rtems_cpu_cflags $tillac_rtems_cppflags"
export CXX="$CXX $tillac_rtems_gccspecs $tillac_rtems_cpu_cflags $tillac_rtems_cppflags"
export CCAS="$CCAS $tillac_rtems_gccspecs $tillac_rtems_cpu_asflags -DASM"
export CPP="$CPP $tillac_rtems_gccspecs $tillac_rtems_cppflags"
# export CFLAGS="$CFLAGS $tillac_rtems_cpu_cflags"
# export CXXFLAGS="$CXXFLAGS $tillac_rtems_cpu_cflags"
# export CCASFLAGS="$CCASFLAGS $tillac_rtems_cpu_asflags -DASM"
# export CPPFLAGS="$CPPFLAGS $tillac_rtems_cppflags"
export LDFLAGS="$LDFLAGS $tillac_rtems_ldflags"
else
AC_MSG_RESULT([yes])
fi]dnl
)
