From 8b80c4bd848ff3d71b998dc8a4bd42627ed72581 Mon Sep 17 00:00:00 2001
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From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Date: Sat, 17 Apr 2021 11:58:19 +0200
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Subject: [PATCH] configure.ac: fix cross-compilation with protobuf-c
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Try to retrieve the version from pkg-config to avoid the following
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error:
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checking protobuf-c version... configure: error: in `/home/fabrice/buildroot/output/build/postgis-3.1.1':
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configure: error: cannot run test program while cross compiling
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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[Retrieved from:
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https://github.com/postgis/postgis/commit/8b80c4bd848ff3d71b998dc8a4bd42627ed72581]
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---
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configure.ac | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/configure.ac b/configure.ac
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index 48ba070a40..df75fe6601 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -1004,6 +1004,7 @@ if test "$CHECK_PROTOBUF" != "no"; then
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PKG_CHECK_MODULES([PROTOBUFC], [libprotobuf-c >= 1.1.0], [
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PROTOBUF_CPPFLAGS="$PROTOBUFC_CFLAGS";
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PROTOBUF_LDFLAGS="$PROTOBUFC_LIBS";
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+ PROTOC_VERSION=`$PKG_CONFIG libprotobuf-c --modversion | sed 's/\([[0-9]]\).*\([[0-9]]\).*\([[0-9]]\)/\100\200\3/'`
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], [
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AC_MSG_RESULT([libprotobuf-c not found in pkg-config])
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])
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@@ -1054,7 +1055,10 @@ if test "$CHECK_PROTOBUF" != "no"; then
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[])
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AC_MSG_CHECKING([protobuf-c version])
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- AC_PROTOBUFC_VERSION([PROTOC_VERSION])
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+ dnl Return the protobuf-c version number if not detected by pkg-config
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+ if test "x$PROTOC_VERSION" = "x"; then
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+ AC_PROTOBUFC_VERSION([PROTOC_VERSION])
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+ fi
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if test ! "$PROTOC_VERSION" -ge 1001000; then
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AC_MSG_ERROR("Old protobuf-c release found but 1.1.0 is required. You can disable MVT and Geobuf support using --without-protobuf")
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fi
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