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require "rubygems"
require "mkmf"
def header_not_found(name)
warn <<EOF
#{name}.h was not found.
If you have #{name}.h, try the following:
% ruby extconf.rb --with-#{name}-include=path
EOF
exit 1
end
def library_not_found(lname, fname=nil)
if fname
warn <<EOF
#{fname} was not found.
If you have #{lname} library, try the following:
% ruby extconf.rb --with-#{lname}-lib=path --with-#{lname}-name=name
e.g.
If you have /usr/local/#{lname}/#{fname},
% ruby extconf.rb --with-#{lname}-lib=/usr/local/#{lname} --with-#{lname}-name=#{fname}
EOF
exit 1
else
warn <<EOF
lib#{lname}.{a|so} was not found.
If you have lib#{lname}.{a|so}, try the following:
% ruby extconf.rb --with-#{lname}-lib=path
EOF
exit 1
end
end
dir_config("lapack")
unless find_library("lapack", nil)
library_not_found("lapack",nil)
warn "LAPACK will be tried to find"
name = with_config("blas-name","blas_LINUX.a")
unless have_library(name)
lib_path = with_config("blas-lib","/usr/local/lib")
_libarg = LIBARG
LIBARG.replace "#{lib_path}/%s"
unless have_library(name)
library_not_found("blas",name)
end
LIBARG.replace _libarg
end
name = with_config("lapack-name","lapack_LINUX.a")
unless have_library(name)
lib_path = with_config("lapack-lib","/usr/local/lib")
_libarg = LIBARG
LIBARG.replace "#{lib_path}/%s"
unless have_library(name)
library_not_found("lapack",name)
end
LIBARG.replace _libarg
end
end
na_path = RbConfig::CONFIG["vendorarchdir"]
dir_config("narray", na_path, na_path)
unless have_header("narray.h")
$stderr.print "narray.h does not found. Specify the path.\n"
$stderr.print "e.g., gem install ruby-lapack -- --with-narray-include=path\n"
exit(-1)
end
if have_func("zposvxx_")
$defs.each{|d| d.sub!("HAVE_ZPOSVXX_", "USEXBLAS")}
end
create_makefile("numru/lapack")
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