From 876a04a795fcb179e0dc802e260353012c4890f9 Mon Sep 17 00:00:00 2001
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From: Maxim Kochetkov <adobegitler@gmail.com>
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Date: Thu, 28 Jan 2021 08:12:57 +0300
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Subject: [PATCH] Use pkg-config to get PROJ version if available
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In case of cross-compile AC_PROJ_VERSION([POSTGIS_PROJ_VERSION]) fails.
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So try to get version by pkg-config first
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Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
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Fetch from: https://github.com/postgis/postgis/commit/671a878982550e3c590d642620a6621b52c230c7.patch
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---
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configure.ac | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index 86e1597ee..016f81c7d 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -866,6 +866,7 @@ elif test ! -z "$PKG_CONFIG"; then
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[
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PROJ_CPPFLAGS="$PROJ_CFLAGS"
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PROJ_LDFLAGS="$PROJ_LIBS"
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+ POSTGIS_PROJ_VERSION=`$PKG_CONFIG proj --modversion | sed 's/\([[0-9]]\).*\([[0-9]]\).*\([[0-9]]\)/\1\2/'`
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],
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[
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PROJ_LDFLAGS="-lproj"
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@@ -887,8 +888,10 @@ AC_CHECK_HEADER([proj_api.h],
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)]
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)
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-dnl Return the PROJ.4 version number
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-AC_PROJ_VERSION([POSTGIS_PROJ_VERSION])
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+dnl Return the PROJ.4 version number if not detected by pkg-config
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+if test "x$POSTGIS_PROJ_VERSION" = "x"; then
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+ AC_PROJ_VERSION([POSTGIS_PROJ_VERSION])
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+fi
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AC_DEFINE_UNQUOTED([POSTGIS_PROJ_VERSION], [$POSTGIS_PROJ_VERSION], [PROJ library version])
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AC_SUBST([POSTGIS_PROJ_VERSION])
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CPPFLAGS="$CPPFLAGS_SAVE"
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--
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2.30.0
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