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authorCharles Pigott <charlespigott@googlemail.com>2018-04-11 12:35:25 +0100
committerfrosch <github@elsenhans.name>2018-04-11 18:24:19 +0200
commite61435774b7c0f6888f5dfc741e616866194661e (patch)
treed3cc73d0e413ef2b2586e277172bf4e1e252359e /config.lib
parent4b1a42c703eaab3e15320e3a1ef5340cdc8ab449 (diff)
downloadopenttd-e61435774b7c0f6888f5dfc741e616866194661e.tar.xz
Fix: Resolve symlinks when working out which compiler is being used
Diffstat (limited to 'config.lib')
-rw-r--r--config.lib18
1 files changed, 10 insertions, 8 deletions
diff --git a/config.lib b/config.lib
index 1afd0e087..750165881 100644
--- a/config.lib
+++ b/config.lib
@@ -1210,14 +1210,16 @@ make_compiler_cflags() {
# $4 - name of the ldflags variable
# $5 - name of the features variable
+ compiler="`realpath \`which $1\``" # resolve symlinks
+
eval eval "flags=\\\$$2"
eval eval "cxxflags=\\\$$3"
eval eval "ldflags=\\\$$4"
eval eval "features=\\\$$5"
- if [ `basename $1 | cut -c 1-3` = "icc" ]; then
+ if [ `basename $compiler | cut -c 1-3` = "icc" ]; then
# Enable some things only for certain ICC versions
- cc_version=`$1 -dumpversion | cut -c 1-4 | sed s@\\\.@@g`
+ cc_version=`$compiler -dumpversion | cut -c 1-4 | sed s@\\\.@@g`
flags="$flags -rdynamic"
ldflags="$ldflags -rdynamic"
@@ -1295,16 +1297,16 @@ make_compiler_cflags() {
fi
if [ "$enable_lto" != "0" ]; then
- has_ipo=`$1 -help ipo | grep '\-ipo'`
+ has_ipo=`$compiler -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 $1 | grep 'clang'` ]; then
+ elif [ `basename $compiler | grep 'clang'` ]; then
# Enable some things only for certain clang versions
- cc_version="`$1 -v 2>&1 | head -n 1 | sed s@[^0-9]@@g | cut -c 1-2`"
+ cc_version="`$compiler -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"
@@ -1363,7 +1365,7 @@ make_compiler_cflags() {
# 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=`$1 -dumpversion | $awk -F . '{printf "%d%02d", $1, $2}'`
+ cc_version=`$compiler -dumpversion | $awk -F . '{printf "%d%02d", $1, $2}'`
if [ $cc_version -lt 303 ]; then
log 1 "configure: error: gcc older than 3.3 can't compile OpenTTD because of its poor template support"
@@ -1445,7 +1447,7 @@ make_compiler_cflags() {
if [ "$enable_lto" != "0" ]; then
# GCC 4.5 outputs '%{flto}', GCC 4.6 outputs '%{flto*}'
- has_lto=`$1 -dumpspecs | grep '\%{flto'`
+ has_lto=`$compiler -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
@@ -1458,7 +1460,7 @@ make_compiler_cflags() {
fi
fi
- has_rdynamic=`$1 -dumpspecs | grep rdynamic`
+ has_rdynamic=`$compiler -dumpspecs | grep rdynamic`
if [ -n "$has_rdynamic" ]; then
# rdynamic is used to get useful stack traces from crash reports.
flags="$flags -rdynamic"