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| author | Charles Pigott <charlespigott@googlemail.com> | 2018-04-15 22:07:17 +0100 |
|---|---|---|
| committer | Patric Stout <truebrain@openttd.org> | 2018-04-15 23:07:17 +0200 |
| commit | 00c16032569d943e4fac5c5b6218dfce47479716 (patch) | |
| tree | 48b0d99d9643c6b97a01aa948a9ee6c7e1fbc924 /config.lib | |
| parent | ce6761a6de9e60d65e7f0c082ef78c68f173c905 (diff) | |
| download | openttd-00c16032569d943e4fac5c5b6218dfce47479716.tar.xz | |
Fix e614357: Ask the compiler who it is, instead of using symlinks (#6727)
This fixes #6723
Diffstat (limited to 'config.lib')
| -rw-r--r-- | config.lib | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/config.lib b/config.lib index 57e0261b9..b241d6e9c 100644 --- a/config.lib +++ b/config.lib @@ -1202,10 +1202,6 @@ check_params() { fi } -if [ -z `which realpath 2>/dev/null` ]; then - realpath() { readlink -f -- "$@"; } -fi - make_compiler_cflags() { # Params: # $1 - compiler @@ -1214,17 +1210,17 @@ make_compiler_cflags() { # $4 - name of the ldflags variable # $5 - name of the features variable - # Resolve symlinks, if your OS even does them - compiler="`realpath \`which $1\``" + # Get the compiler to tell us who it is + compiler="`$1 --version | head -n1 | cut -d' ' -f1`" eval eval "flags=\\\$$2" eval eval "cxxflags=\\\$$3" eval eval "ldflags=\\\$$4" eval eval "features=\\\$$5" - if [ `basename $compiler | cut -c 1-3` = "icc" ]; then + if [ "$compiler" = "icc" ]; then # Enable some things only for certain ICC versions - cc_version=`$compiler -dumpversion | cut -c 1-4 | sed s@\\\.@@g` + cc_version=`$1 -dumpversion | cut -c 1-4 | sed s@\\\.@@g` flags="$flags -rdynamic" ldflags="$ldflags -rdynamic" @@ -1302,16 +1298,16 @@ make_compiler_cflags() { fi if [ "$enable_lto" != "0" ]; then - has_ipo=`$compiler -help ipo | grep '\-ipo'` + has_ipo=`$1 -help ipo | grep '\-ipo'` if [ -n "$has_ipo" ]; then # Use IPO (only if we see IPO exists and is requested) flags="$flags -ipo" features="$features lto" fi fi - elif [ `basename $compiler | grep 'clang'` ]; then + elif [ "$compiler" = "clang" ]; then # Enable some things only for certain clang versions - cc_version="`$compiler -v 2>&1 | head -n 1 | sed s@[^0-9]@@g | cut -c 1-2`" + cc_version="`$1 -v 2>&1 | head -n 1 | sed s@[^0-9]@@g | cut -c 1-2`" # aliasing rules are not held in openttd code flags="$flags -fno-strict-aliasing" @@ -1366,11 +1362,13 @@ make_compiler_cflags() { # rdynamic is used to get useful stack traces from crash reports. ldflags="$ldflags -rdynamic" + + # Assume gcc, since it just uses argv[0] in its --version output else # Enable some things only for certain GCC versions # cc_version = major_version * 100 + minor_version # For example: "3.3" -> 303, "4.9.2" -> 409, "6" -> 600, "23.5" -> 2305 - cc_version=`$compiler -dumpversion | $awk -F . '{printf "%d%02d", $1, $2}'` + cc_version=`$1 -dumpversion | $awk -F . '{printf "%d%02d", $1, $2}'` if [ $cc_version -lt 303 ]; then log 1 "configure: error: gcc older than 3.3 can't compile OpenTTD because of its poor template support" @@ -1452,7 +1450,7 @@ make_compiler_cflags() { if [ "$enable_lto" != "0" ]; then # GCC 4.5 outputs '%{flto}', GCC 4.6 outputs '%{flto*}' - has_lto=`$compiler -dumpspecs | grep '\%{flto'` + has_lto=`$1 -dumpspecs | grep '\%{flto'` if [ -n "$has_lto" ]; then # Use LTO only if we see LTO exists and is requested if [ $cc_version -lt 406 ]; then @@ -1465,7 +1463,7 @@ make_compiler_cflags() { fi fi - has_rdynamic=`$compiler -dumpspecs | grep rdynamic` + has_rdynamic=`$1 -dumpspecs | grep rdynamic` if [ -n "$has_rdynamic" ]; then # rdynamic is used to get useful stack traces from crash reports. flags="$flags -rdynamic" |