Arnavion 599b9b0379 configure.ac: Actually check the CFLAGS and LDFLAGS returned by ExtUtils::Embed before deciding to compile the Perl plugin. ...

- openSUSE has ExtUtils::Embed, EXTERN.h and perl.so in the base perl package.
- Fedora has ExtUtils::Embed in a separate perl-devel package.
- Mageia has ExtUtils::Embed in the base perl package but EXTERN.h in a separate perl-devel package. Without this package, the compiler complains about the missing header.
- Debian has ExtUtils::Embed and EXTERN.h in the base perl package but perl.so in a separate libperl-dev package. Without this package, gcc compiles successfully but complains at link-time about -lperl (ExtUtils::Embed returns '-lperl' in ldopts but it's not actually installed).

configure.ac already requires ExtUtil::Embed to enable perl. To handle the case of Mageia and Debian, this change uses AC_TRY_LINK to verify that the flags returned by ExtUtils::Embed can actually be used to compile before deciding to enable the perl plugin.

2014-01-13 18:27:32 -08:00

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