Expand Up @@ -3227,11 +3227,11 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu ## Is R already configured to compile things using OpenMP without ## any extra hand-holding? openmp_already_works="no" # openmp_already_works="no"## default to not even thinking about OpenMP as Armadillo wants a pragma ## variant available if and only if C++11 is used with g++ 5.4 or newer can_use_openmp="no" # can_use_openmp="no"## Ensure TMPDIR is set. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we have a suitable tempdir" >&5 Expand Down Expand Up @@ -3264,154 +3264,40 @@ if test x"$?" = x"0"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } openmp_already_works="yes" arma_have_openmp="#define ARMA_USE_OPENMP 1" can_use_openmp="yes" else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } openmp_already_works="no" arma_have_openmp="#define ARMA_DONT_USE_OPENMP 1" can_use_openmp="no" fi ## Go back home. cd "${owd}" rm -rf "${BUILDDIR}" ## If the above checks failed, then perform other heuristics ## based on the compiler version, etc. if test x"${openmp_already_works}" = x"no"; then ## Check the C++ compiler using the CXX value set ## If it is g++, we have GXX set so let's examine it if test "${GXX}" = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether g++ version is sufficient" >&5 printf %s "checking whether g++ version is sufficient... " >&6; } gxx_version=$(${CXX} -v 2>&1 | awk '/^.*g.. version/ {print $3}') case ${gxx_version} in 1.*|2.*|3.*|4.0.*|4.1.*|4.2.*|4.3.*|4.4.*|4.5.*|4.6.*|4.7.0|4.7.1) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Only g++ version 4.7.2 or greater can be used with RcppArmadillo." >&5 printf "%s\n" "$as_me: WARNING: Only g++ version 4.7.2 or greater can be used with RcppArmadillo." >&2;} as_fn_error $? "Please use a different compiler." "$LINENO" 5 ;; 4.7.*|4.8.*|4.9.*|5.0*|5.1*|5.2*|5.3*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes, but without OpenMP as version ${gxx_version} (Armadillo constraint)" >&5 printf "%s\n" "yes, but without OpenMP as version ${gxx_version} (Armadillo constraint)" >&6; } ## we know this one is bad can_use_openmp="no" ;; 5.4*|5.5*|5.6*|5.7*|5.8*|5.9*|6.*|7.*|8.*|9.*|1?.*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes, with OpenMP as version ${gxx_version}" >&5 printf "%s\n" "yes, with OpenMP as version ${gxx_version}" >&6; } ## we know this one is good, yay can_use_openmp="yes" ;; *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: almost" >&5 printf "%s\n" "almost" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Compiler self-identifies as being compliant with GNUC extensions but is not g++." >&5 printf "%s\n" "$as_me: WARNING: Compiler self-identifies as being compliant with GNUC extensions but is not g++." >&2;} ## we know nothing, so no can_use_openmp="no" ;; esac fi ## Check for Apple LLVM { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for macOS" >&5 ## Additional Apple check { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for macOS" >&5 printf %s "checking for macOS... " >&6; } RSysinfoName=$("${R_HOME}/bin/Rscript" --vanilla -e 'cat(Sys.info()["sysname"])') if test x"${RSysinfoName}" = x"Darwin"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5 RSysinfoName=$("${R_HOME}/bin/Rscript" --vanilla -e 'cat(Sys.info()["sysname"])') if test x"${RSysinfoName}" = x"Darwin"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5 printf "%s\n" "found" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for macOS Apple compiler" >&5 printf %s "checking for macOS Apple compiler... " >&6; } apple_compiler=$($CXX --version 2>&1 | grep -i -c -e 'apple llvm') if test x"${apple_compiler}" = x"1"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5 printf "%s\n" "found" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: OpenMP unavailable and turned off." >&5 printf "%s\n" "$as_me: WARNING: OpenMP unavailable and turned off." >&2;} can_use_openmp="no" else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5 printf "%s\n" "not found" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for clang compiler" >&5 printf %s "checking for clang compiler... " >&6; } clang_compiler=$($CXX --version 2>&1 | grep -i -c -e 'clang ') if test x"${clang_compiler}" = x"1"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5 apple_compiler=$($CXX --version 2>&1 | grep -i -c -e 'apple llvm') if test x"${apple_compiler}" = x"1"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5 printf "%s\n" "found" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for OpenMP compatible version of clang" >&5 printf %s "checking for OpenMP compatible version of clang... " >&6; } clang_version=$(${CXX} -v 2>&1 | awk '/^.*clang version/ {print $3}') case ${clang_version} in 4.*|5.*|6.*|7.*|8.*|9.*|10.*|11.*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found and suitable" >&5 printf "%s\n" "found and suitable" >&6; } can_use_openmp="yes" ;; *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5 printf "%s\n" "not found" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: OpenMP unavailable and turned off." >&5 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: OpenMP unavailable and turned off." >&5 printf "%s\n" "$as_me: WARNING: OpenMP unavailable and turned off." >&2;} can_use_openmp="no" ;; esac else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5 printf "%s\n" "not found" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unsupported macOS build detected; if anything breaks, you keep the pieces." >&5 printf "%s\n" "$as_me: WARNING: unsupported macOS build detected; if anything breaks, you keep the pieces." >&2;} fi fi else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } can_use_openmp="no" fi fi # if test x"${openmp_already_works}" = x"no" ## Check for suitable LAPACK_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking LAPACK_LIBS" >&5 printf %s "checking LAPACK_LIBS... " >&6; } ## external LAPACK has the required function lapack=$(${R_HOME}/bin/R CMD config LAPACK_LIBS) hasRlapack=$(echo ${lapack} | grep lRlapack) ## in what follows below we substitute both side of the define/undef ## while this may seem a little unusual we do it to fully reproduce the ## previous bash-based implementation if test x"${hasRlapack}" = x""; then ## We are using a full Lapack and can use zgbsv -- so #undef remains { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: system LAPACK found" >&5 printf "%s\n" "system LAPACK found" >&6; } ## arma_lapack="#undef ARMA_CRIPPLED_LAPACK" else ## We are using R's subset of Lapack and CANNOT use zgbsv etc, so we mark it { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: R-supplied partial LAPACK found" >&5 printf "%s\n" "R-supplied partial LAPACK found" >&6; } ## AC_MSG_WARN([Some complex-valued LAPACK functions may not be available]) ## arma_lapack="#define ARMA_CRIPPLED_LAPACK 1" fi ## Default the OpenMP flag to the empty string. ## If and only if OpenMP is found, expand to $(SHLIB_OPENMP_CXXFLAGS) openmp_flag="" ## Set the fallback, by default it is nope arma_have_openmp="#define ARMA_DONT_USE_OPENMP 1" if test x"${openmp_already_works}" = x"yes"; then arma_have_openmp="#define ARMA_USE_OPENMP 1" openmp_flag='$(SHLIB_OPENMP_CXXFLAGS)' { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5 printf "%s\n" "not found" >&6; } fi if test x"${can_use_openmp}" = x"yes"; then Expand All @@ -3424,6 +3310,7 @@ printf %s "checking for OpenMP... " >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: missing" >&5 printf "%s\n" "missing" >&6; } arma_have_openmp="#define ARMA_DONT_USE_OPENMP 1" openmp_flag="" else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found and suitable" >&5 printf "%s\n" "found and suitable" >&6; } Expand All @@ -3432,9 +3319,7 @@ printf "%s\n" "found and suitable" >&6; } fi fi ## now use all these ## AC_SUBST([ARMA_LAPACK],["${arma_lapack}"]) ARMA_HAVE_OPENMP="${arma_have_openmp}" OPENMP_FLAG="${openmp_flag}" Expand Down