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A user reported a bug that configure should die when g++ isn't

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installed, but wasn't:
http://code.google.com/p/google-perftools/issues/detail?id=217

This turned out to be a bug in autoconf:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=357378

The workaround is simple: check for CXX before checking for
CC.  This means that if g++ is installed but gcc isn't, we
won't die (at cc-checking time), but I tested, and the
configure script dies later.  In any case, it seems unlikely
someone would have a c++ compiler installed but not a c
compiler.

This fixes the 4 opensource projects I work on that are
susceptible to this.

R=iant
DELTA=1437  (694 added, 694 deleted, 49 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=3221
This commit is contained in:
csilvers+ctemplate@google.com 2011-09-10 11:33:35 +00:00
parent 52e93f8ca7
commit f8c58ff816
2 changed files with 814 additions and 814 deletions
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1626
configure vendored
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2
configure.ac
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@ -18,10 +18,10 @@ AM_INIT_AUTOMAKE([dist-zip])
AM_CONFIG_HEADER(src/config.h)
# Checks for programs.
AC_PROG_CXX
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_CXX
AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc
# MinGW uses autoconf, but also needs the windows shim routines