On Wed, May 21 2014, Fraser Tweedale <fr...@frase.id.au> wrote:
> Some systems (e.g. FreeBSD 10) do not ship with the GNU Compiler
> Collection. Use generic cc/c++ as a fallback when gcc/g++ are not
> available.
> ---
> configure | 12 ++++++++++--
> 1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/configure b/configure
> index 9bde2eb..3f4942b 100755
> --- a/configure
> +++ b/configure
> @@ -43,8 +43,16 @@ fi
>
> # Set several defaults (optionally specified by the user in
> # environment variables)
> -CC=${CC:-gcc}
> -CXX=${CXX:-g++}
> +if which gcc >/dev/null 2>&1; then
> + CC=${CC:-gcc}
> +else
> + CC=${CC:-cc}
> +fi
perhaps:
if [ -z "$CC" ]; then
if hash gcc 2>/dev/null; then
CC=gcc
else
CC=cc
fi
fi
and same for g++
hash is builtin in modern shells, and is command in some systems
which(1) is builtin in zsh (only?). Solaris 10 which(1) exits 0
even the command is not found.
Tomi
> +if which g++ >/dev/null 2>&1; then
> + CXX=${CXX:-g++}
> +else
> + CXX=${CXX:-c++}
> +fi
> CFLAGS=${CFLAGS:--O2}
> CPPFLAGS=${CPPFLAGS:-}
> CXXFLAGS=${CXXFLAGS:-\$(CFLAGS)}
> --
> 1.9.2
>
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