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