Bug #12409: -fexcess-precision=standard is making it hard to compile my gem

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: 2.4.0
• Backport: 2.1: DONTNEED, 2.2: DONTNEED, 2.3: DONTNEED

[sam.saffron (Sam Saffron)]

I can no longer easily compile my C++ gem due to the -fexcess-precision=standard change

https://github.com/discourse/mini_racer

compiles fine under 2.3, fails under 2.4 with:

cc1plus: sorry, unimplemented: -fexcess-precision=standard for C++

[sam.saffron (Sam Saffron)]

• Backport deleted (2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN)

[naruse (Yui NARUSE)]

• Backport set to 2.1: DONTNEED, 2.2: DONTNEED, 2.3: DONTNEED

Don't change Backport field.

add description about backport field: https://bugs.ruby-lang.org/projects/ruby/wiki/HowToBackport

[naruse (Yui NARUSE)]

• Status changed from Open to Closed

Applied in changeset r55142.

---

• configure.in (ruby_cflags): separate from optflags [Bug #12409]
  -fexcess-precision=standard and -fp-model precise are set to this now.

• configure.in (cflags): use ruby_cflags.