This also allows overriding it with SDL_CONFIG, and warning in suspicious
cross-compilation scenarios.
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
configure | 30 +++++++++++++++++-------------
1 files changed, 17 insertions(+), 13 deletions(-)
diff --git a/configure b/configure
index e072dde..f61c5b8 100755
--- a/configure
+++ b/configure
@@ -217,6 +217,7 @@ ld="${cross_prefix}${LD-ld}"
strip="${cross_prefix}${STRIP-strip}"
windres="${cross_prefix}${WINDRES-windres}"
pkg_config="${cross_prefix}${PKG_CONFIG-pkg-config}"
+sdl_config="${cross_prefix}${SDL_CONFIG-sdl-config}"
# default flags for all hosts
QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS"
@@ -1187,21 +1188,17 @@ fi
##########################################
# SDL probe
-# Look for sdl configuration program (pkg-config or sdl-config).
-# Prefer variant with cross prefix if cross compiling,
-# and favour pkg-config with sdl over sdl-config.
-if test -n "$cross_prefix" -a $pkg_config != pkg-config && \
- $pkg_config sdl --modversion >/dev/null 2>&1; then
- sdlconfig="$pkg_config sdl"
- _sdlversion=`$sdlconfig --modversion 2>/dev/null | sed 's/[^0-9]//g'`
-elif test -n "$cross_prefix" && has ${cross_prefix}sdl-config; then
- sdlconfig="${cross_prefix}sdl-config"
- _sdlversion=`$sdlconfig --version | sed 's/[^0-9]//g'`
-elif $pkg_config sdl --modversion >/dev/null 2>&1; then
+# Look for sdl configuration program (pkg-config or sdl-config). Try
+# sdl-config even without cross prefix, and favour pkg-config over sdl-config.
+if test "`basename $sdl_config`" != sdl-config && ! has ${sdl_config}; then
+ sdl_config=sdl-config
+fi
+
+if $pkg_config sdl --modversion >/dev/null 2>&1; then
sdlconfig="$pkg_config sdl"
_sdlversion=`$sdlconfig --modversion 2>/dev/null | sed 's/[^0-9]//g'`
-elif has sdl-config; then
- sdlconfig='sdl-config'
+elif has ${sdl_config}; then
+ sdlconfig="$sdl_config"
_sdlversion=`$sdlconfig --version | sed 's/[^0-9]//g'`
else
if test "$sdl" = "yes" ; then
@@ -1209,6 +1206,13 @@ else
fi
sdl=no
fi
+if test -n "$cross_prefix"; then
+ case "`basename $sdlconfig`" in
+ pkg-config*|sdl-config)
+ echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
+ echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&5 ;;
+ esac
+fi
sdl_too_old=no
if test "$sdl" != "no" ; then
--
1.7.2.3
