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44 lines
1.2 KiB
44 lines
1.2 KiB
From 463f4914057b0193c6ca025e9233c17035bc0448 Mon Sep 17 00:00:00 2001
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From: Adrian Thurston <thurston@colm.net>
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Date: Sun, 12 Mar 2023 13:24:22 -0700
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Subject: [PATCH] fallback to AC_CHECK_LIB for libcolm and libfsm
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If the .la files for libcolm and libfsm are not present then fallback to using
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AC_CHECK_LIB for these libraries. Many packaging systems strip out .la files so
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we need to still be able to link if they are not there.
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---
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configure.ac | 20 ++++++++++++++++++++
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1 file changed, 20 insertions(+)
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diff --git a/configure.ac b/configure.ac
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index e1a0fc67..07a2b075 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -59,6 +59,26 @@ AC_CHECK_FILES(
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[],
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[AC_ERROR([colm is required to build ragel])]
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)
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+
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+dnl If the .la files are present use those, otherwise locate the libs with AC_CHECK_LIB.
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+AC_CHECK_FILES(
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+ [$LIBCOLM_LA $LIBFSM_LA],
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+ [],
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+ [
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+ AC_CHECK_LIB(
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+ [colm],
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+ [colm_run_program],
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+ [LIBCOLM_LA=-lcolm],
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+ [AC_ERROR([libcolm is required to build ragel])]
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+ )
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+ AC_CHECK_LIB(
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+ [fsm],
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+ [libfsm_present],
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+ [LIBFSM_LA=-lfsm],
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+ [AC_ERROR([libfsm is required to build ragel])]
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+ )
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+ ]
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+)
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AC_SUBST(COLM)
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AC_SUBST(COLM_WRAP)
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AC_SUBST(COLM_SHARE)
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