X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=config%2Fqt4.m4;h=2ac6d70f7d9c1e526f351349d22bea83bab1617f;hb=246b3d79e676481d0b56eb051757763260648c5c;hp=d91d9ef0efb12de82376b1e09b9be60018ef852f;hpb=04a8db4af8376a6938f5b75a50c70d92c5e5b394;p=lyx.git

diff --git a/config/qt4.m4 b/config/qt4.m4
index d91d9ef0ef..2ac6d70f7d 100644
--- a/config/qt4.m4
+++ b/config/qt4.m4
@@ -135,15 +135,27 @@ AC_DEFUN([QT4_DO_IT_ALL],
 		QT4_DO_MANUAL_CONFIG
 	fi
 
+	if test -z "$QT4_LIB"; then
+	  AC_MSG_ERROR([cannot find qt4 library.])
+	fi
+
 	dnl Check qt version
-	AS_VERSION_COMPARE($QT4_VERSION, $1, 
+	AS_VERSION_COMPARE($QT4_VERSION, $1,
 	[AC_MSG_ERROR([LyX requires at least version $1 of Qt. Only version $QT4_VERSION has been found.])
 	])
 
 	AC_PATH_PROGS(MOC4, [moc-qt4 moc],[],$qt4_cv_bin:$PATH)
+	if test -z "$MOC4"; then
+  	  AC_MSG_ERROR([cannot find moc binary.])
+	fi
 	AC_PATH_PROGS(UIC4, [uic-qt4 uic],[],$qt4_cv_bin:$PATH)
+	if test -z "$UIC4"; then
+	  AC_MSG_ERROR([cannot find uic binary.])
+	fi
 	AC_PATH_PROGS(RCC4, [rcc-qt4 rcc],[],$qt4_cv_bin:$PATH)
-	AC_CHECK_PROG(bc_found,[bc],[yes],[no],$PATH)
+	if test -z "$RCC4"; then
+	  AC_MSG_ERROR([cannot find rcc binary.])
+	fi
 ])
 
 AC_DEFUN([QT4_DO_PKG_CONFIG],