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[Qemu-trivial] [PATCH] configure: Save PKG_CONFIG_LIBDIR and WINDRES in

From: Thomas Huth
Subject: [Qemu-trivial] [PATCH] configure: Save PKG_CONFIG_LIBDIR and WINDRES in config.status
Date: Tue, 4 Sep 2018 09:02:18 +0200

When cross-compiling QEMU for a target that significantly differs from
the host, the current information in config.status is not enough to
properly re-create the configuration. For example when I try to test
my build with the mingw32 cross-compiler, I regularly get this error
after the build system tried to re-create the configuration with the
config.status file:

ERROR: sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
       You probably need to set PKG_CONFIG_LIBDIR
       to point to the right pkg-config files for your
       build target

A similar problem exists for the "windres" tool, where you have to
set the WINDRES variable in case it has a different name.
So let's fix these issues by storing the configuration for these
variables in the config.status file, too.

Signed-off-by: Thomas Huth <address@hidden>
 configure | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/configure b/configure
index 58862d2..4d8888f 100755
--- a/configure
+++ b/configure
@@ -7534,6 +7534,12 @@ cat <<EOD >config.status
 # Compiler output produced by configure, useful for debugging
 # configure, is in config.log if it exists.
+if [ -n "$PKG_CONFIG_LIBDIR" ]; then
+    echo "export PKG_CONFIG_LIBDIR=\"$PKG_CONFIG_LIBDIR\"" >>config.status
+if [ -n "$WINDRES" ]; then
+    echo "export WINDRES=\"$WINDRES\"" >>config.status
 printf "exec" >>config.status
 printf " '%s'" "$0" "$@" >>config.status
 echo ' "$@"' >>config.status

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