[MacPorts] #54109: g95 0.93_4: Installation failure due to failing compilation of x87.S

[MacPorts]

#54109: g95 0.93_4: Installation failure due to failing compilation of x87.S
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 Reporter:  aszostak-partner-eso-org  |      Owner:
     Type:  defect                    |     Status:  new
 Priority:  Normal                    |  Milestone:
Component:  ports                     |    Version:  2.4.1
 Keywords:                            |       Port:
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 When installing g95 and it tries to compile from source it sometimes fails
 with a message similar to the following:
 {{{
 :info:build /usr/bin/clang -DHAVE_CONFIG_H -I.     -DHAVE_REAL_10=3 -Os
 -std=gnu89 -arch x86_64 -MT x87.o -MD -MP -MF .deps/x87.Tpo -c -o x87.o
 `test -f 'math/x87.S' || echo './'`math/x87.S
 :info:build math/x87.S:2:1: error: unexpected token at start of statement
 :info:build ## Some of the code here is transliterated from the x87 glibc
 code
 :info:build ^
 :info:build math/x87.S:3:1: error: unexpected token at start of statement
 :info:build ## originally written by J.T. Conklin and Ulrich Drepper.
 :info:build ^
 :info:build make[1]: *** [x87.o] Error 1
 }}}
 It is possible it is picking up the wrong compiler.

 Software versions:
 * MacOS 10.12
 * Xcode 8.1

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Ticket URL: <https://trac.macports.org/ticket/54109>
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