From f15e2ca435b0a85d32041fbbdba9f09c099c3a41 Mon Sep 17 00:00:00 2001 From: Peter Powell Date: Tue, 21 Mar 2017 22:52:12 +0000 Subject: Fix compiler version parsing on GCC 7. GCC 7 may optionally omit the MINOR version number in dumpversion depending on the compiler flags it was built with. --- configure | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/configure b/configure index 0cf165a0a..b380b5700 100755 --- a/configure +++ b/configure @@ -269,10 +269,9 @@ if (defined $opt_cc) { $config{CC} = $opt_cc; } -our $exec = $config{CC} . " -dumpversion | cut -c 1"; -chomp($config{GCCVER} = `$exec`); # Major GCC Version -$exec = $config{CC} . " -dumpversion | cut -c 3"; -chomp($config{GCCMINOR} = `$exec`); +`$config{CC} -dumpversion` =~ /^(\d+)(?:\.(\d+))?/; +$config{GCCVER} = defined $1 ? $1 : ''; +$config{GCCMINOR} = defined $2 ? $2 : '0'; $config{MAXBUF} = "512"; # Max buffer size if ($config{HAS_OPENSSL} =~ /^([-[:digit:].]+)(?:[a-z])?(?:\-[a-z][0-9])?/) { @@ -348,10 +347,9 @@ print ($cache_loaded ? "found\n" : "not found\n"); $config{SYSTEM} = lc $^O; print "Checking operating system version... $config{SYSTEM}\n"; -$exec = $config{CC} . " -dumpversion | cut -c 1"; -chomp($config{GCCVER} = `$exec`); # Major GCC Version -$exec = $config{CC} . " -dumpversion | cut -c 3"; -chomp($config{GCCMINOR} = `$exec`); +`$config{CC} -dumpversion` =~ /^(\d+)(?:\.(\d+))?/; +$config{GCCVER} = defined $1 ? $1 : ''; +$config{GCCMINOR} = defined $2 ? $2 : '0'; printf "Checking if stdint.h exists... "; $config{HAS_STDINT} = test_compile('stdint'); @@ -489,8 +487,9 @@ should NOT be used. You should probably specify a newer compiler.\n\n"; } chomp(my $foo = `$config{CC} -dumpversion | cut -c 1`); if ($foo ne "") { - chomp($config{GCCVER} = `$config{CC} -dumpversion | cut -c 1`); # we must redo these if we change compilers - chomp($config{GCCMINOR} = `$config{CC} -dumpversion | cut -c 3`); + `$config{CC} -dumpversion` =~ /^(\d+)(?:\.(\d+))?/; + $config{GCCVER} = defined $1 ? $1 : ''; + $config{GCCMINOR} = defined $2 ? $2 : '0'; print "Queried compiler: \e[1;32m$config{CC}\e[0m (version \e[1;32m$config{GCCVER}.$config{GCCMINOR}\e[0m)\n"; if ($config{GCCVER} < 3) { print "\e[1;32mGCC 2.x WILL NOT WORK!\e[0m. Let's try that again, shall we?\n"; -- cgit v1.2.3