Source: parafly Version: 0.1.0-1 Tags: patch upstream User: debian-cr...@lists.debian.org Usertags: ftcbfs
parafly fails to cross build from source, because it misses the -fopenmp flag during cross builds. configure.ac attempts to detect the compiler type from the CXX variable and when using cross builds the variable is not matched, so it ends up missing the relevant -fopenmp flag. The author of configure.ac already figured that a better solution would be using AC_OPENMP, but that would require the bleeding-edge autoconf 2.62. It turns out that the macro is already 13 years old. Maybe it is time to enable it now and fix cross builds that way? Helmut
--- parafly-0.1.0.orig/configure.ac +++ parafly-0.1.0/configure.ac @@ -2,10 +2,10 @@ AM_INIT_AUTOMAKE([foreign -Wall -Werror]) AC_LANG([C++]) AC_PROG_CXX -#AC_OPENMP # requires autoconf >= 2.62 -AC_SUBST([AM_CXXFLAGS], []) +AC_OPENMP +AC_SUBST([AM_CXXFLAGS], [$OPENMP_CXXFLAGS]) case $CXX in - g++*) AC_SUBST([AM_CXXFLAGS],["-pedantic -fopenmp -Wall -Wextra -Wno-long-long -Wno-deprecated $AM_CXXFLAGS"]);; + g++*) AC_SUBST([AM_CXXFLAGS],["-pedantic -Wall -Wextra -Wno-long-long -Wno-deprecated $AM_CXXFLAGS"]);; sunCC*) AC_SUBST([AM_CXXFLAGS], ["-library=stlport4 -xopenmp -xvpara -fast $AM_CXXFLAGS"]) ;; icpc*) AC_SUBST([AM_CXXFLAGS], ["-Wall -openmp $AM_CXXFLAGS"]) ;; esac
