summaryrefslogtreecommitdiff
path: root/configure.in
diff options
context:
space:
mode:
authornaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-04-12 07:22:21 +0000
committernaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-04-12 07:22:21 +0000
commit8424452c698aecb77c7f7d4af354a53f70d4f472 (patch)
tree85ca08f60589a711d26a68a86b7bbf37e07b17d9 /configure.in
parentf74ba9cc07830413d3d50203cd149be68805ac0b (diff)
merge revision(s) 53566:
* configure.in: improve ICC (Intel C Compiler) support. * configure.in (CXX): The name of icc's c++ compiler is `icpc`. * configure.in (warnings): Add `-diag-disable=2259` to suppress noisy warnings: "non-pointer conversion from "..." to "..." may lose significant bits". * configure.in (optflags): Add `-fp-model precise` like -fno-fast-math. * lib/mkmf.rb: icc supports -Werror=division-by-zero and -Werror=deprecated-declarations, but doesn't support -Wdivision-by-zero and -Wdeprecated-declarations. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@54552 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
-rw-r--r--configure.in4
1 files changed, 3 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 9953dcdae5..1f714db1c9 100644
--- a/configure.in
+++ b/configure.in
@@ -259,6 +259,7 @@ AS_CASE(["$build_os"],
[xgcc-4.2|x/usr/bin/gcc-4.2], [: ${CXX=g++-4.2}],
[xgcc|x/usr/bin/gcc], [: ${CXX=g++}],
[xcc|x/usr/bin/cc], [: ${CXX=c++}],
+ [xicc], [: ${CXX=icpc}],
[xclang|x/usr/bin/clang], [: ${CXX=clang++}])
])
test -z "$CC" || ac_cv_prog_CC="$CC"
@@ -806,6 +807,7 @@ if test "$GCC:${warnflags+set}:no" = yes::no; then
extra_warning="$extra_warning -Wno-maybe-uninitialized"
fi
for wflag in -Wno-unused-parameter -Wno-parentheses -Wno-long-long \
+ -diag-disable=2259 \
-Wno-missing-field-initializers \
-Wunused-variable \
-Werror=pointer-arith \
@@ -946,7 +948,7 @@ if test "$GCC" = yes; then
])
# disable fast-math
- for oflag in -fno-fast-math; do
+ for oflag in -fno-fast-math -fp-model\ precise; do
RUBY_TRY_CFLAGS($oflag, [RUBY_APPEND_OPTION(optflags, $oflag)])
done
fi