ObjQt  Diff

])

AC_LANG([Objective C++])
AC_PROG_OBJCXX(clang++ g++)
AC_PROG_OBJCXXCPP
AC_PROG_LN_S
AC_PROG_INSTALL
AC_PROG_EGREP

CPP="$OBJCXXCPP"
CPPFLAGS="$CPPFLAGS $OBJCPPFLAGS $($OBJFW_CONFIG --cppflags)"
OBJCFLAGS="$OBJCFLAGS -Wall $($OBJFW_CONFIG --objcflags)"
LDFLAGS="$LDFLAGS $($OBJFW_CONFIG --ldflags --rpath)"
LIBS="$LIBS $($OBJFW_CONFIG --libs)"

AX_CHECK_COMPILER_FLAGS(-std=c++11, [OBJCXXFLAGS="$OBJCXXFLAGS -std=c++11"], [
	AC_MSG_ERROR(You need a compiler that supports C++11!)
])

AX_CHECK_COMPILER_FLAGS(-pipe, [OBJCFLAGS="$OBJCFLAGS -pipe"])
AX_CHECK_COMPILER_FLAGS(-fno-common, [OBJCFLAGS="$OBJCFLAGS -fno-common"])
AX_CHECK_COMPILER_FLAGS(-Wobjc-missing-property-synthesis -Werror,
	[OBJCFLAGS="$OBJCFLAGS -Wobjc-missing-property-synthesis"])

	LIBS="$LIBS $Qt5Widgets_LIBS"
], [
	AC_MSG_ERROR(You need Qt5Widgets >= 5.5 installed!)
])
AS_IF([test x"$GOBJC" = x"yes"], [
	OBJCFLAGS="$OBJCFLAGS -Wwrite-strings -Wpointer-arith -Werror"
])

AC_MSG_CHECKING(whether Qt requires PIC)
AC_EGREP_CPP(yes, [
	#include <qglobal.h>

	#ifdef QT_REDUCE_RELOCATIONS
	yes
	#endif
], [
	OBJCXXFLAGS="$LIB_CFLAGS $OBJCXXFLAGS"
	AC_MSG_RESULT(yes)
], [
	AC_MSG_RESULT(no)
])

BUILDSYS_INIT

dnl We don't call AC_PROG_CPP or AC_PROG_OBJC, but only AC_PROG_OBJCPPCXX and
dnl set CPP and OBJCC to OBJCPPCXX and add OBJCXXCPPFLAGS to CPPFLAGS, thus we
dnl need to AC_SUBST these ourself.
AC_SUBST(CPP)
AC_SUBST(CPPFLAGS)
AC_SUBST(CXXFLAGS)
AC_SUBST(OBJCFLAGS)

AC_CONFIG_FILES([buildsys.mk extra.mk])
AC_OUTPUT