55 lines
1.3 KiB
Plaintext
55 lines
1.3 KiB
Plaintext
dnl
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dnl Some macros needed for autoconf
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dnl
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## GLIBMM_CV_PERL_VERSION(version)
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##
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## Helper macro of GLIBMM_CHECK_PERL(). It generates a cache variable
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## name that includes the version number, in order to avoid clashes.
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##
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AC_DEFUN([GLIBMM_CV_PERL_VERSION],[glibmm_cv_perl_version_[]m4_translit([$1],[.${}],[____])])
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## GLIBMM_CHECK_PERL(version)
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##
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## Check for Perl >= version and set PERL_PATH. If Perl is not found
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## and maintainer-mode is enabled, abort with an error message. If not
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## in maintainer-mode, set PERL_PATH=perl on failure.
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##
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AC_DEFUN([GLIBMM_CHECK_PERL],
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[
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glibmm_perl_result=no
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AC_PATH_PROGS([PERL_PATH], [perl perl5], [not found])
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if test "x$PERL_PATH" != "xnot found"; then
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{
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AC_CACHE_CHECK(
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[whether Perl is new enough],
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GLIBMM_CV_PERL_VERSION([$1]),
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[
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]GLIBMM_CV_PERL_VERSION([$1])[=no
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"$PERL_PATH" -e "require v$1; exit 0;" >/dev/null 2>&1 && ]GLIBMM_CV_PERL_VERSION([$1])[=yes
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])
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test "x${GLIBMM_CV_PERL_VERSION([$1])}" = xyes && glibmm_perl_result=yes
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}
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else
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{
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# Make sure we have something sensible, even if it doesn't work.
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PERL_PATH=perl
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}
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fi
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if test "x$glibmm_perl_result" = xno && test "x$USE_MAINTAINER_MODE" = xyes; then
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{
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AC_MSG_ERROR([[
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*** Perl >= ]$1[ is required for building $PACKAGE in maintainer-mode.
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]])
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}
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fi
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AC_SUBST([PERL_PATH])
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])
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