Add script to test depends on individual curves

tests/scripts/curves.pl

@@ -0,0 +1,45 @@
+#!/usr/bin/perl
+
+# test dependencies on individual curves in tests
+# - build
+# - run test suite
+#
+# Usage: tests/scripts/curves.pl
+
+use warnings;
+use strict;
+
+-d 'library' && -d 'include' && -d 'tests' or die "Must be run from root\n";
+
+my $sed_cmd = 's/^#define \(POLARSSL_ECP_DP.*_ENABLED\)/\1/p';
+my $config_h = 'include/polarssl/config.h';
+my @curves = split( /\s+/, `sed -n -e '$sed_cmd' $config_h` );
+
+my $test = system( "grep -i cmake Makefile >/dev/null" ) ? 'check' : 'test';
+
+system( "cp $config_h $config_h.bak" ) and die;
+sub abort {
+    system( "mv $config_h.bak $config_h" ) and warn "$config_h not restored\n";
+    die $_[0];
+}
+
+for my $curve (@curves) {
+    system( "cp $config_h.bak $config_h" ) and die "$config_h not restored\n";
+    system( "make clean" ) and die;
+
+    print "\n******************************************\n";
+    print "* Testing without curve: $curve\n";
+    print "******************************************\n";
+
+    system( "scripts/config.pl unset $curve" )
+        and abort "Failed to disable $curve\n";
+
+    system( "make polarssl" ) and abort "Failed to build lib: $curve\n";
+    system( "cd tests && make" ) and abort "Failed to build tests: $curve\n";
+    system( "make $test" ) and abort "Failed test suite: $curve\n";
+
+}
+
+system( "mv $config_h.bak $config_h" ) and die "$config_h not restored\n";
+system( "make clean" ) and die;
+exit 0;