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Add back PERL-based scripts under new name

tags/v0.3.21
Martin Kroeker GitHub 3 years ago
parent
7093a34a34
commit
181b96257c
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 869 additions and 0 deletions
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  1. +451
    -0
      c_check.pl
  2. +418
    -0
      f_check.pl

+ 451
- 0
c_check.pl View File

@@ -0,0 +1,451 @@
#!/usr/bin/env perl

#use File::Basename;
# use File::Temp qw(tempfile);

# Checking cross compile
$hostos = `uname -s | sed -e s/\-.*//`; chop($hostos);
$hostarch = `uname -m | sed -e s/i.86/x86/`;
$hostarch = `uname -p` if ($hostos eq "AIX" || $hostos eq "SunOS");
chop($hostarch);
$hostarch = "x86_64" if ($hostarch eq "amd64");
$hostarch = "arm" if ($hostarch ne "arm64" && $hostarch =~ /^arm.*/);
$hostarch = "arm64" if ($hostarch eq "aarch64");
$hostarch = "power" if ($hostarch =~ /^(powerpc|ppc).*/);
$hostarch = "zarch" if ($hostarch eq "s390x");

#$tmpf = new File::Temp( UNLINK => 1 );
$binary = $ENV{"BINARY"};

$makefile = shift(@ARGV);
$config = shift(@ARGV);

$compiler_name = shift(@ARGV);
$flags = join(" ", @ARGV);

# First, we need to know the target OS and compiler name

$data = `$compiler_name $flags -E ctest.c`;

if ($?) {
printf STDERR "C Compiler ($compiler_name) is something wrong.\n";
die 1;
}

$cross_suffix = "";

eval "use File::Basename";
if ($@){
warn "could not load PERL module File::Basename, emulating its functionality";
my $dirnam = substr($compiler_name, 0, rindex($compiler_name, "/")-1 );
if ($dirnam ne ".") {
$cross_suffix .= $dirnam . "/";
}
my $basnam = substr($compiler_name, rindex($compiler_name,"/")+1, length($compiler_name)-rindex($compiler_name,"/")-1);
if ($basnam =~ /([^\s]*-)(.*)/) {
$cross_suffix .= $1;
}
} else {
if (dirname($compiler_name) ne ".") {
$cross_suffix .= dirname($compiler_name) . "/";
}

if (basename($compiler_name) =~ /([^\s]*-)(.*)/) {
$cross_suffix .= $1;
}
}

$compiler = "";
$compiler = LSB if ($data =~ /COMPILER_LSB/);
$compiler = CLANG if ($data =~ /COMPILER_CLANG/);
$compiler = PGI if ($data =~ /COMPILER_PGI/);
$compiler = PATHSCALE if ($data =~ /COMPILER_PATHSCALE/);
$compiler = INTEL if ($data =~ /COMPILER_INTEL/);
$compiler = OPEN64 if ($data =~ /COMPILER_OPEN64/);
$compiler = SUN if ($data =~ /COMPILER_SUN/);
$compiler = IBM if ($data =~ /COMPILER_IBM/);
$compiler = DEC if ($data =~ /COMPILER_DEC/);
$compiler = GCC if ($compiler eq "");

$os = Linux if ($data =~ /OS_LINUX/);
$os = FreeBSD if ($data =~ /OS_FREEBSD/);
$os = NetBSD if ($data =~ /OS_NETBSD/);
$os = OpenBSD if ($data =~ /OS_OPENBSD/);
$os = DragonFly if ($data =~ /OS_DRAGONFLY/);
$os = Darwin if ($data =~ /OS_DARWIN/);
$os = SunOS if ($data =~ /OS_SUNOS/);
$os = AIX if ($data =~ /OS_AIX/);
$os = osf if ($data =~ /OS_OSF/);
$os = WINNT if ($data =~ /OS_WINNT/);
$os = CYGWIN_NT if ($data =~ /OS_CYGWIN_NT/);
$os = Interix if ($data =~ /OS_INTERIX/);
$os = Android if ($data =~ /OS_ANDROID/);
$os = Haiku if ($data =~ /OS_HAIKU/);

$architecture = x86 if ($data =~ /ARCH_X86/);
$architecture = x86_64 if ($data =~ /ARCH_X86_64/);
$architecture = e2k if ($data =~ /ARCH_E2K/);
$architecture = power if ($data =~ /ARCH_POWER/);
$architecture = mips if ($data =~ /ARCH_MIPS/);
$architecture = mips64 if ($data =~ /ARCH_MIPS64/);
$architecture = alpha if ($data =~ /ARCH_ALPHA/);
$architecture = sparc if ($data =~ /ARCH_SPARC/);
$architecture = ia64 if ($data =~ /ARCH_IA64/);
$architecture = arm if ($data =~ /ARCH_ARM/);
$architecture = arm64 if ($data =~ /ARCH_ARM64/);
$architecture = zarch if ($data =~ /ARCH_ZARCH/);
$architecture = riscv64 if ($data =~ /ARCH_RISCV64/);
$architecture = loongarch64 if ($data =~ /ARCH_LOONGARCH64/);

$defined = 0;

if ($os eq "AIX") {
$compiler_name .= " -maix32" if ($binary eq "32");
$compiler_name .= " -maix64" if ($binary eq "64");
$defined = 1;
}

if ($architecture eq "mips") {
$compiler_name .= " -mabi=32";
$defined = 1;
}

if ($architecture eq "mips64") {
$compiler_name .= " -mabi=n32" if ($binary eq "32");
$compiler_name .= " -mabi=64" if ($binary eq "64");
$defined = 1;
}

if (($architecture eq "arm") || ($architecture eq "arm64")) {
$defined = 1;
}

if ($architecture eq "zarch") {
$defined = 1;
$binary = 64;
}

if ($architecture eq "e2k") {
$defined = 1;
$binary = 64;
}

if ($architecture eq "alpha") {
$defined = 1;
$binary = 64;
}

if ($architecture eq "ia64") {
$defined = 1;
$binary = 64;
}

if (($architecture eq "x86") && ($os ne Darwin) && ($os ne SunOS)) {
$defined = 1;
$binary =32;
}

if ($architecture eq "riscv64") {
$defined = 1;
$binary = 64;
}

if ($architecture eq "loongarch64") {
$defined = 1;
$binary = 64;
}

if ($compiler eq "PGI") {
$compiler_name .= " -tp p7" if ($binary eq "32");
$compiler_name .= " -tp p7-64" if ($binary eq "64");
$openmp = "-mp";
$defined = 1;
}

if ($compiler eq "IBM") {
$compiler_name .= " -q32" if ($binary eq "32");
$compiler_name .= " -q64" if ($binary eq "64");
$openmp = "-qsmp=omp";
$defined = 1;
}

if ($compiler eq "INTEL") {
$openmp = "-openmp";
}

if ($compiler eq "PATHSCALE") {
$openmp = "-mp";
}

if ($compiler eq "OPEN64") {
$openmp = "-mp";
}

if ($compiler eq "CLANG") {
$openmp = "-fopenmp";
}

if ($compiler eq "GCC" || $compiler eq "LSB") {
$openmp = "-fopenmp";
}

if ($defined == 0) {
$compiler_name .= " -m32" if ($binary eq "32");
$compiler_name .= " -m64" if ($binary eq "64");
}

# Do again

$data = `$compiler_name $flags -E ctest.c`;

if ($?) {
printf STDERR "C Compiler ($compiler_name) is something wrong.\n";
die 1;
}

$have_msa = 0;
if (($architecture eq "mips") || ($architecture eq "mips64")) {
eval "use File::Temp qw(tempfile)";
if ($@){
warn "could not load PERL module File::Temp, so could not check MSA capatibility";
} else {
$tmpf = new File::Temp( SUFFIX => '.c' , UNLINK => 1 );
$code = '"addvi.b $w0, $w1, 1"';
$msa_flags = "-mmsa -mfp64 -mload-store-pairs";
print $tmpf "#include <msa.h>\n\n";
print $tmpf "void main(void){ __asm__ volatile($code); }\n";

$args = "$msa_flags -o $tmpf.o $tmpf";
my @cmd = ("$compiler_name $flags $args >/dev/null 2>/dev/null");
system(@cmd) == 0;
if ($? != 0) {
$have_msa = 0;
} else {
$have_msa = 1;
}
unlink("$tmpf.o");
}
}

$architecture = x86 if ($data =~ /ARCH_X86/);
$architecture = x86_64 if ($data =~ /ARCH_X86_64/);
$architecture = e2k if ($data =~ /ARCH_E2K/);
$architecture = power if ($data =~ /ARCH_POWER/);
$architecture = mips if ($data =~ /ARCH_MIPS/);
$architecture = mips64 if ($data =~ /ARCH_MIPS64/);
$architecture = alpha if ($data =~ /ARCH_ALPHA/);
$architecture = sparc if ($data =~ /ARCH_SPARC/);
$architecture = ia64 if ($data =~ /ARCH_IA64/);
$architecture = arm if ($data =~ /ARCH_ARM/);
$architecture = arm64 if ($data =~ /ARCH_ARM64/);
$architecture = zarch if ($data =~ /ARCH_ZARCH/);
$architecture = loongarch64 if ($data =~ /ARCH_LOONGARCH64/);

$binformat = bin32;
$binformat = bin64 if ($data =~ /BINARY_64/);

$no_avx512= 0;
if (($architecture eq "x86") || ($architecture eq "x86_64")) {
eval "use File::Temp qw(tempfile)";
if ($@){
warn "could not load PERL module File::Temp, so could not check compiler compatibility with AVX512";
$no_avx512 = 0;
} else {
# $tmpf = new File::Temp( UNLINK => 1 );
($fh,$tmpf) = tempfile( SUFFIX => '.c' , UNLINK => 1 );
$code = '"vbroadcastss -4 * 4(%rsi), %zmm2"';
print $fh "#include <immintrin.h>\n\nint main(void){ __asm__ volatile($code); }\n";
$args = " -march=skylake-avx512 -c -o $tmpf.o $tmpf";
if ($compiler eq "PGI") {
$args = " -tp skylake -c -o $tmpf.o $tmpf";
}
my @cmd = ("$compiler_name $flags $args >/dev/null 2>/dev/null");
system(@cmd) == 0;
if ($? != 0) {
$no_avx512 = 1;
} else {
$no_avx512 = 0;
}
unlink("$tmpf.o");
}
}

$no_rv64gv= 0;
if (($architecture eq "riscv64")) {
eval "use File::Temp qw(tempfile)";
if ($@){
warn "could not load PERL module File::Temp, so could not check compiler compatibility with the RISCV vector extension";
$no_rv64gv = 0;
} else {
# $tmpf = new File::Temp( UNLINK => 1 );
($fh,$tmpf) = tempfile( SUFFIX => '.c' , UNLINK => 1 );
$code = '"vsetvli zero, zero, e8, m1\n"';
print $fh "int main(void){ __asm__ volatile($code); }\n";
$args = " -march=rv64gv -c -o $tmpf.o $tmpf";
my @cmd = ("$compiler_name $flags $args >/dev/null 2>/dev/null");
system(@cmd) == 0;
if ($? != 0) {
$no_rv64gv = 1;
} else {
$no_rv64gv = 0;
}
unlink("$tmpf.o");
}
}

$c11_atomics = 0;
if ($data =~ /HAVE_C11/) {
eval "use File::Temp qw(tempfile)";
if ($@){
warn "could not load PERL module File::Temp, so could not check compiler compatibility with C11";
$c11_atomics = 0;
} else {
($fh,$tmpf) = tempfile( SUFFIX => '.c' , UNLINK => 1 );
print $fh "#include <stdatomic.h>\nint main(void){}\n";
$args = " -c -o $tmpf.o $tmpf";
my @cmd = ("$compiler_name $flags $args >/dev/null 2>/dev/null");
system(@cmd) == 0;
if ($? != 0) {
$c11_atomics = 0;
} else {
$c11_atomics = 1;
}
unlink("$tmpf.o");
}
}

if ($compiler eq "GCC" &&( ($architecture eq "x86") || ($architecture eq "x86_64"))) {
$no_avx2 = 0;
$oldgcc = 0;
$data = `$compiler_name -dumpversion`;
if ($data <= 4.6) {
$no_avx2 = 1;
$oldgcc = 1;
}
}

$data = `$compiler_name $flags -S ctest1.c && grep globl ctest1.s | head -n 1 && rm -f ctest1.s`;

$data =~ /globl\s([_\.]*)(.*)/;

$need_fu = $1;

$cross = 0;

if ($architecture ne $hostarch) {
$cross = 1;
$cross = 0 if (($hostarch eq "x86_64") && ($architecture eq "x86"));
$cross = 0 if (($hostarch eq "mips64") && ($architecture eq "mips"));
}

$cross = 1 if ($os ne $hostos);
$cross = 0 if (($os eq "Android") && ($hostos eq "Linux") && ($ENV{TERMUX_APP_PID} != ""));

$openmp = "" if $ENV{USE_OPENMP} != 1;

$linker_L = "";
$linker_l = "";
$linker_a = "";

{
$link = `$compiler_name $flags -c ctest2.c -o ctest2.o 2>&1 && $compiler_name $flags $openmp -v ctest2.o -o ctest2 2>&1 && rm -f ctest2.o ctest2 ctest2.exe`;

$link =~ s/\-Y\sP\,/\-Y/g;

@flags = split(/[\s\,\n]/, $link);
# remove leading and trailing quotes from each flag.
@flags = map {s/^['"]|['"]$//g; $_} @flags;

foreach $flags (@flags) {
if (
($flags =~ /^\-L/)
&& ($flags !~ /^-LIST:/)
&& ($flags !~ /^-LANG:/)
) {
$linker_L .= $flags . " "
}

if ($flags =~ /^\-Y/) {
$linker_L .= "-Wl,". $flags . " "
}

if ($flags =~ /^\--exclude-libs/) {
$linker_L .= "-Wl,". $flags . " ";
$flags="";
}

if (
($flags =~ /^\-l/)
&& ($flags !~ /gfortranbegin/)
&& ($flags !~ /frtbegin/)
&& ($flags !~ /pathfstart/)
&& ($flags !~ /numa/)
&& ($flags !~ /crt[0-9]/)
&& ($flags !~ /gcc/)
&& ($flags !~ /user32/)
&& ($flags !~ /kernel32/)
&& ($flags !~ /advapi32/)
&& ($flags !~ /shell32/)
&& ($flags !~ /omp/)
&& ($flags !~ /[0-9]+/)
) {
$linker_l .= $flags . " "
}

$linker_a .= $flags . " " if $flags =~ /\.a$/;
}

}

open(MAKEFILE, "> $makefile") || die "Can't create $makefile";
open(CONFFILE, "> $config" ) || die "Can't create $config";

# print $data, "\n";

print MAKEFILE "OSNAME=$os\n";
print MAKEFILE "ARCH=$architecture\n";
print MAKEFILE "C_COMPILER=$compiler\n";
print MAKEFILE "BINARY32=\n" if $binformat ne bin32;
print MAKEFILE "BINARY64=\n" if $binformat ne bin64;
print MAKEFILE "BINARY32=1\n" if $binformat eq bin32;
print MAKEFILE "BINARY64=1\n" if $binformat eq bin64;
print MAKEFILE "FU=$need_fu\n" if $need_fu ne "";
print MAKEFILE "CROSS_SUFFIX=$cross_suffix\n" if $cross != 0 && $cross_suffix ne "";
print MAKEFILE "CROSS=1\n" if $cross != 0;
print MAKEFILE "CEXTRALIB=$linker_L $linker_l $linker_a\n";
print MAKEFILE "HAVE_MSA=1\n" if $have_msa eq 1;
print MAKEFILE "MSA_FLAGS=$msa_flags\n" if $have_msa eq 1;
print MAKEFILE "NO_RV64GV=1\n" if $no_rv64gv eq 1;
print MAKEFILE "NO_AVX512=1\n" if $no_avx512 eq 1;
print MAKEFILE "NO_AVX2=1\n" if $no_avx2 eq 1;
print MAKEFILE "OLDGCC=1\n" if $oldgcc eq 1;

$os =~ tr/[a-z]/[A-Z]/;
$architecture =~ tr/[a-z]/[A-Z]/;
$compiler =~ tr/[a-z]/[A-Z]/;

print CONFFILE "#define OS_$os\t1\n";
print CONFFILE "#define ARCH_$architecture\t1\n";
print CONFFILE "#define C_$compiler\t1\n";
print CONFFILE "#define __32BIT__\t1\n" if $binformat eq bin32;
print CONFFILE "#define __64BIT__\t1\n" if $binformat eq bin64;
print CONFFILE "#define FUNDERSCORE\t$need_fu\n" if $need_fu ne "";
print CONFFILE "#define HAVE_MSA\t1\n" if $have_msa eq 1;
print CONFFILE "#define HAVE_C11\t1\n" if $c11_atomics eq 1;


if ($os eq "LINUX") {

# @pthread = split(/\s+/, `nm /lib/libpthread.so* | grep _pthread_create`);

# if ($pthread[2] ne "") {
# print CONFFILE "#define PTHREAD_CREATE_FUNC $pthread[2]\n";
# } else {
print CONFFILE "#define PTHREAD_CREATE_FUNC pthread_create\n";
# }
} else {
print CONFFILE "#define PTHREAD_CREATE_FUNC pthread_create\n";
}

close(MAKEFILE);
close(CONFFILE);

+ 418
- 0
f_check.pl View File

@@ -0,0 +1,418 @@
#!/usr/bin/env perl

$hostos = `uname -s | sed -e s/\-.*//`; chop($hostos);

#
# 1. Not specified
# 1.1 Automatically detect, then check compiler
# 1.2 If no fortran compiler is detected, gfortran is default with NOFORTRAN definition
# 2. Specified
# 2.1 If path is correct, check compiler
# 2.2 If path is not correct, but still valid compiler name, force setting
# 2.2.2 Path is not correct, invalid compiler name, then gfortran is default with NOFORTRAN definition
#

$makefile = shift(@ARGV);
$config = shift(@ARGV);

$nofortran = 0;

$compiler = join(" ", @ARGV);
$compiler_bin = shift(@ARGV);
# f77 is too ambiguous
$compiler = "" if $compiler eq "f77";

@path = split(/:/, $ENV{"PATH"});

if ($compiler eq "") {

@lists = ("gfortran", "g95", "frt", "fort", "openf90", "openf95",
"sunf77", "sunf90", "sunf95",
"xlf95", "xlf90", "xlf",
"ppuf77", "ppuf95", "ppuf90", "ppuxlf",
"pathf90", "pathf95",
"pgf95", "pgf90", "pgf77", "pgfortran", "nvfortran",
"flang", "egfortran",
"ifort", "nagfor");

OUTER:
foreach $lists (@lists) {
foreach $path (@path) {
if (-x $path . "/" . $lists) {
$compiler = $lists;
$compiler_bin = $lists;
last OUTER;
}
}
}

}

if ($compiler eq "") {

$nofortran = 1;
$compiler = "gfortran";
$vendor = GFORTRAN;
$bu = "_";

} else {

$data = `which $compiler_bin > /dev/null 2> /dev/null`;
$vendor = "";

if (!$?) {

$data = `$compiler -O2 -S ftest.f > /dev/null 2>&1 && cat ftest.s && rm -f ftest.s`;
if ($data eq "") {
$data = `$compiler -O2 -S ftest.f > /dev/null 2>&1 && cat ftest.c && rm -f ftest.c`;
}
if ($data =~ /zhoge_/) {
$bu = "_";
}

if ($data =~ /Fujitsu/) {

$vendor = FUJITSU;
$openmp = "-Kopenmp";

} elsif ($data =~ /GNU/ || $data =~ /GCC/ ) {

$data =~ s/\(+.*?\)+//g;
$data =~ /(\d+)\.(\d+).(\d+)/;
$major = $1;
$minor = $2;

if ($major >= 4) {
$vendor = GFORTRAN;
$openmp = "-fopenmp";
} else {
if ($compiler =~ /flang/) {
$vendor = FLANG;
$openmp = "-fopenmp";
} elsif ($compiler =~ /pgf/ || $compiler =~ /nvf/) {
$vendor = PGI;
$openmp = "-mp";
} else {
$vendor = G77;
$openmp = "";
}
}

}

if ($data =~ /g95/) {
$vendor = G95;
$openmp = "";
}

if ($data =~ /Intel/) {
$vendor = INTEL;
$openmp = "-fopenmp";
}

if ($data =~ /Sun Fortran/) {
$vendor = SUN;
$openmp = "-xopenmp=parallel";
}

if ($data =~ /PathScale/) {
$vendor = PATHSCALE;
$openmp = "-openmp";
}

if ($data =~ /Open64/) {
$vendor = OPEN64;
$openmp = "-mp";
}

if ($data =~ /PGF/ || $data =~ /NVF/) {
$vendor = PGI;
$openmp = "-mp";
}

if ($data =~ /IBM XL/) {
$vendor = IBM;
$openmp = "-openmp";
}

if ($data =~ /NAG/) {
$vendor = NAG;
$openmp = "-openmp";
}

# for embedded underscore name, e.g. zho_ge, it may append 2 underscores.
$data = `$compiler -O2 -S ftest3.f > /dev/null 2>&1 && cat ftest3.s && rm -f ftest3.s`;
if ($data eq "") {
$data = `$compiler -O2 -S ftest3.f > /dev/null 2>&1 && cat ftest3.c && rm -f ftest3.c`;
}
if ($data =~ / zho_ge__/) {
$need2bu = 1;
}
if ($vendor =~ /G95/) {
if ($ENV{NO_LAPACKE} != 1) {
$need2bu = "";
}
}
}

if ($vendor eq "") {

if ($compiler =~ /g77/) {
$vendor = G77;
$bu = "_";
$openmp = "";
}

if ($compiler =~ /g95/) {
$vendor = G95;
$bu = "_";
$openmp = "";
}

if ($compiler =~ /gfortran/) {
$vendor = GFORTRAN;
$bu = "_";
$openmp = "-fopenmp";
}

if ($compiler =~ /ifort/) {
$vendor = INTEL;
$bu = "_";
$openmp = "-fopenmp";
}

if ($compiler =~ /pathf/) {
$vendor = PATHSCALE;
$bu = "_";
$openmp = "-mp";
}

if ($compiler =~ /pgf/ || $compiler =~ /nvf/) {
$vendor = PGI;
$bu = "_";
$openmp = "-mp";
}

if ($compiler =~ /ftn/) {
$vendor = PGI;
$bu = "_";
$openmp = "-openmp";
}

if ($compiler =~ /frt/) {
$vendor = FUJITSU;
$bu = "_";
$openmp = "-openmp";
}

if ($compiler =~ /sunf77|sunf90|sunf95/) {
$vendor = SUN;
$bu = "_";
$openmp = "-xopenmp=parallel";
}

if ($compiler =~ /ppuf/) {
$vendor = IBM;
$openmp = "-openmp";
}

if ($compiler =~ /xlf/) {
$vendor = IBM;
$openmp = "-openmp";
}

if ($compiler =~ /open64/) {
$vendor = OPEN64;
$openmp = "-mp";
}

if ($compiler =~ /flang/) {
$vendor = FLANG;
$bu = "_";
$openmp = "-fopenmp";
}

if ($compiler =~ /nagfor/) {
$vendor = NAG;
$bu = "_";
$openmp = "-openmp";
}

if ($vendor eq "") {
$nofortran = 1;
$compiler = "gfortran";
$vendor = GFORTRAN;
$bu = "_";
$openmp = "";
}

}
}

$data = `which $compiler_bin > /dev/null 2> /dev/null`;

if (!$?) {

$binary = $ENV{"BINARY"};

$openmp = "" if $ENV{USE_OPENMP} != 1;

if ($binary == 32) {
$link = `$compiler $openmp -m32 -v ftest2.f 2>&1 && rm -f a.out a.exe`;
if ($?) {
$link = `$compiler $openmp -q32 -v ftest2.f 2>&1 && rm -f a.out a.exe`;
}
# for AIX
if ($?) {
$link = `$compiler $openmp -maix32 -v ftest2.f 2>&1 && rm -f a.out a.exe`;
}
#For gfortran MIPS
if ($?) {
$mips_data = `$compiler_bin -E -dM - < /dev/null`;
if ($mips_data =~ /_MIPS_ISA_MIPS64/) {
$link = `$compiler $openmp -mabi=n32 -v ftest2.f 2>&1 && rm -f a.out a.exe`;
} else {
$link = `$compiler $openmp -mabi=32 -v ftest2.f 2>&1 && rm -f a.out a.exe`;
}
}
$binary = "" if ($?);
}

if ($binary == 64) {
$link = `$compiler $openmp -m64 -v ftest2.f 2>&1 && rm -f a.out a.exe`;
if ($?) {
$link = `$compiler $openmp -q64 -v ftest2.f 2>&1 && rm -f a.out a.exe`;
}
# for AIX
if ($?) {
$link = `$compiler $openmp -maix64 -v ftest2.f 2>&1 && rm -f a.out a.exe`;
}
#For gfortran MIPS
if ($?) {
$link = `$compiler $openmp -mabi=64 -v ftest2.f 2>&1 && rm -f a.out a.exe`;
}
#For nagfor
if ($?) {
$link = `$compiler $openmp -dryrun ftest2.f 2>&1 && rm -f a.out a.exe`;
}
$binary = "" if ($?);
}
if ($binary eq "") {
$link = `$compiler $openmp -v ftest2.f 2>&1 && rm -f a.out a.exe`;
}
}

if ( $vendor eq "NAG") {
$link = `$compiler $openmp -dryrun ftest2.f 2>&1 && rm -f a.out a.exe`;
}
$linker_L = "";
$linker_l = "";
$linker_a = "";

if ($link ne "") {

$link =~ s/\-Y\sP\,/\-Y/g;
$link =~ s/\-R\s*/\-rpath\%/g;

$link =~ s/\-rpath\s+/\-rpath\%/g;

$link =~ s/\-rpath-link\s+/\-rpath-link\%/g;

@flags = split(/[\s\,\n]/, $link);
# remove leading and trailing quotes from each flag.
@flags = map {s/^['"]|['"]$//g; $_} @flags;

foreach $flags (@flags) {
if (
($flags =~ /^\-L/)
&& ($flags !~ /^-LIST:/)
&& ($flags !~ /^-LANG:/)
) {
$linker_L .= $flags . " ";
}

if ($flags =~ /^\-Y/) {
next if ($hostos eq 'SunOS');
$linker_L .= "-Wl,". $flags . " ";
}

if ($flags =~ /^\--exclude-libs/) {
$linker_L .= "-Wl,". $flags . " ";
$flags="";
}


if ($flags =~ /^\-rpath\%/) {
$flags =~ s/\%/\,/g;
$linker_L .= "-Wl,". $flags . " " ;
}

if ($flags =~ /^\-rpath-link\%/) {
$flags =~ s/\%/\,/g;
$linker_L .= "-Wl,". $flags . " " ;
}
if ($flags =~ /-lgomp/ && $ENV{"CC"} =~ /clang/) {
$flags = "-lomp";
}

if (
($flags =~ /^\-l/)
&& ($flags !~ /ibrary/)
&& ($flags !~ /gfortranbegin/)
&& ($flags !~ /flangmain/)
&& ($flags !~ /frtbegin/)
&& ($flags !~ /pathfstart/)
&& ($flags !~ /crt[0-9]/)
&& ($flags !~ /gcc/)
&& ($flags !~ /user32/)
&& ($flags !~ /kernel32/)
&& ($flags !~ /advapi32/)
&& ($flags !~ /shell32/)
&& ($flags !~ /omp/ || ($vendor !~ /PGI/ && $vendor !~ /FUJITSU/ && $flags =~ /omp/))
&& ($flags !~ /[0-9]+/ || ($vendor == FUJITSU && $flags =~ /^-lfj90/))
&& ($flags !~ /^\-l$/)
) {
$linker_l .= $flags . " ";
}

if ( $flags =~ /quickfit.o/ && $vendor == NAG) {
$linker_l .= $flags . " ";
}
if ( $flags =~ /safefit.o/ && $vendor == NAG) {
$linker_l .= $flags . " ";
}
if ( $flags =~ /thsafe.o/ && $vendor == NAG) {
$linker_l .= $flags . " ";
}

$linker_a .= $flags . " " if $flags =~ /\.a$/;
}

}

if ($vendor eq "FLANG"){
$linker_a .= "-lflang"
}

open(MAKEFILE, ">> $makefile") || die "Can't append $makefile";
open(CONFFILE, ">> $config" ) || die "Can't append $config";

print MAKEFILE "F_COMPILER=$vendor\n";
print MAKEFILE "FC=$compiler\n";
print MAKEFILE "BU=$bu\n" if $bu ne "";
print MAKEFILE "NOFORTRAN=1\n" if $nofortran == 1;

print CONFFILE "#define BUNDERSCORE\t$bu\n" if $bu ne "";
print CONFFILE "#define NEEDBUNDERSCORE\t1\n" if $bu ne "";
print CONFFILE "#define NEED2UNDERSCORES\t1\n" if $need2bu ne "";

print MAKEFILE "NEED2UNDERSCORES=1\n" if $need2bu ne "";

if (($linker_l ne "") || ($linker_a ne "")) {
print MAKEFILE "FEXTRALIB=$linker_L $linker_l $linker_a\n";
}

close(MAKEFILE);
close(CONFFILE);

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