diff options
Diffstat (limited to 'eclass')
| -rw-r--r-- | eclass/fortran-2.eclass | 89 |
1 files changed, 44 insertions, 45 deletions
diff --git a/eclass/fortran-2.eclass b/eclass/fortran-2.eclass index b812f507c..600d10702 100644 --- a/eclass/fortran-2.eclass +++ b/eclass/fortran-2.eclass @@ -9,40 +9,37 @@ # @MAINTAINER: # jlec@gentoo.org # sci@gentoo.org -# @BLURB: Packages, which need a fortran compiler should inherit this eclass. +# @BLURB: Simplify fortran compiler management # @DESCRIPTION: -# If you need a fortran compiler, inherit this eclass. This eclass tests for -# working fortran compilers and exports the variables FC and F77. -# Optional, it checks for openmp capability of the -# current fortran compiler through FORTRAN_NEED_OPENMP=1. -# Only phase function exported is pkg_pretend and pkg_setup. -# Need help? Ask the sci team. +# If you need a fortran compiler, then you should be inheriting this eclass. +# The eclass tests for working fortran compilers +# and exports the variables FC and F77. +# Optionally, it checks for extended capabilities based on +# the variable options selected in the ebuild +# The only phase functions exported are pkg_pretend and pkg_setup. # @ECLASS-VARIABLE: FORTRAN_NEED_OPENMP # @DESCRIPTION: -# Set FORTRAN_NEED_OPENMP=1 in order to test FC for openmp capabilities -# -# Default is 0 +# Set to "1" in order to automatically have the eclass abort if the fortran +# compiler lacks openmp support. +: ${FORTRAN_NEED_OPENMP:=0} # @ECLASS-VARIABLE: FORTRAN_STANDARD # @DESCRIPTION: -# Set this, if a special dialect needs to be support. Generally not needed. -# -# Valid settings are any combination of -# -# FORTRAN_STANDARD="77 90 95 2003" +# Set this, if a special dialect needs to be supported. +# Generally not needed as default is sufficient. # -# Defaults to FORTRAN_STANDARD="77" which is sufficient for most cases. +# Valid settings are any combination of: 77 90 95 2003 +: ${FORTRAN_STANDARD:=77} inherit toolchain-funcs DEPEND="virtual/fortran" RDEPEND="${DEPEND}" -# internal function -# -# FUNCTION: _write_testsuite -# DESCRIPTION: writes fortran test code +# @FUNCTION: _write_testsuite +# @DESCRIPTION: writes fortran test code +# @INTERNAL _write_testsuite() { local filebase=${T}/test-fortran @@ -63,56 +60,58 @@ _write_testsuite() { EOF } -# internal function -# -# FUNCTION: _compile_test -# DESCRIPTION: +# @FUNCTION: _compile_test +# @DESCRIPTION: # Takes fortran compiler as first argument and dialect as second. # Checks whether the passed fortran compiler speaks the fortran dialect +# @INTERNAL _compile_test() { local filebase=${T}/test-fortran local fcomp=${1} local fdia=${2} + local fcode=${filebase}.f${fdia} + local ret - [[ -z ${fcomp} ]] && die "_compile_test() needs at least one argument" + [[ $# -eq 0 ]] && die "_compile_test() needs at least one argument" - [[ -f "${filebase}.f${fdia}" ]] || _write_testsuite + [[ -f ${fcode} ]] || _write_testsuite - ${fcomp} "${filebase}.f${fdia}" -o "${filebase}-f${fdia}" >&/dev/null - local ret=$? + ${fcomp} "${fcode}" -o "${fcode}.x" >&/dev/null + ret=$? - rm -f "${filebase}-f${fdia}" + rm -f "${fcode}.x" return ${ret} } -# internal function -# -# FUNCTION: _fortran-has-openmp -# DESCRIPTION: +# @FUNCTION: _fortran-has-openmp +# @DESCRIPTION: # See if the fortran supports OpenMP. +# @INTERNAL _fortran-has-openmp() { local flag local filebase=${T}/test-fc-openmp + local fcode=${filebase}.f + local ret + local _fc=$(tc-getFC) - cat <<- EOF > "${filebase}.f" + cat <<- EOF > "${fcode}" call omp_get_num_threads end EOF for flag in -fopenmp -xopenmp -openmp -mp -omp -qsmp=omp; do - $(tc-getFC "$@") ${flag} "${filebase}.f" -o "${filebase}" >&/dev/null - local ret=$? + ${_fc} ${flag} "${fcode}" -o "${fcode}.x" >&/dev/null + ret=$? (( ${ret} )) || break done - rm -f "${filebase}"* + rm -f "${fcode}.x" return ${ret} } -# internal -# -# FUNCTION: _die_msg -# DESCRIPTION: Detailed description how to handle fortran support +# @FUNCTION: _die_msg +# @DESCRIPTION: Detailed description how to handle fortran support +# @INTERNAL _die_msg() { echo eerror "Please install currently selected gcc version with USE=fortran." @@ -129,7 +128,7 @@ _die_msg() { fortran-2_pkg_pretend() { local dialect - [[ -n ${F77} ]] || F77=$(tc-getFC) + : ${F77:=$(tc-getFC)} : ${FORTRAN_STANDARD:=77} for dialect in ${FORTRAN_STANDARD}; do @@ -151,13 +150,13 @@ fortran-2_pkg_pretend() { # @FUNCTION: fortran-2_pkg_setup # @DESCRIPTION: # In EAPI < 4 it calls the compiler check. This behavior is deprecated -# and will be removed at 01-Sep-2011. Please migrate to EAPI=4. +# and will be removed at 01-Okt-2011. Please migrate to EAPI=4. # # Exports the FC and F77 variable according to the compiler checks. fortran-2_pkg_setup() { if has ${EAPI:-0} 0 1 2 3; then ewarn "The support for EAPI=${EAPI} by the fortran-2.eclass" - ewarn "will be end at 01-Sep-2011" + ewarn "will be end at 01-Okt-2011" ewarn "Please migrate your package to EAPI=4" fortran-2_pkg_pretend fi @@ -165,7 +164,7 @@ fortran-2_pkg_setup() { [[ -n ${FC} ]] || export FC=$(tc-getFC) } -case "${EAPI:-0}" in +case ${EAPI:-0} in 1|2|3) EXPORT_FUNCTIONS pkg_setup ;; 4) EXPORT_FUNCTIONS pkg_pretend pkg_setup ;; *) die "EAPI=${EAPI} is not supported" ;; |