From f9a5a3adff68c1ff5933b141a5fb79aa73093704 Mon Sep 17 00:00:00 2001 From: naruse Date: Sun, 17 Jan 2016 12:20:15 +0000 Subject: * 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/trunk@53566 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- configure.in | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'configure.in') diff --git a/configure.in b/configure.in index 25585f6852..ca19530e7b 100644 --- a/configure.in +++ b/configure.in @@ -265,6 +265,7 @@ 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="$CC" @@ -812,6 +813,7 @@ if test "$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 \ @@ -952,7 +954,7 @@ 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 -- cgit v1.2.3