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dnl Add $1 to CFLAGS and CXXFLAGS if supported
dnl ------------------------------------------
AC_DEFUN([AUD_CHECK_CFLAGS],[
AC_MSG_CHECKING([whether the C/C++ compiler supports $1])
OLDCFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $1 -Werror"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[return 0;])],[
AC_MSG_RESULT(yes)
CFLAGS="$OLDCFLAGS $1"
CXXFLAGS="$CXXFLAGS $1"
],[
AC_MSG_RESULT(no)
CFLAGS="$OLDCFLAGS"
])
])
dnl **
dnl ** Common checks
dnl **
AC_DEFUN([AUD_COMMON_PROGS], [
dnl Check for C and C++ compilers
dnl =============================
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_CXX])
AC_REQUIRE([AC_C_BIGENDIAN])
AC_REQUIRE([AC_SYS_LARGEFILE])
if test "x$GCC" = "xyes"; then
CFLAGS="$CFLAGS -std=gnu99 -ffast-math -Wall -pipe"
CXXFLAGS="$CXXFLAGS -Wall -pipe"
AUD_CHECK_CFLAGS(-Wtype-limits)
fi
dnl Check platform
dnl ==============
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
AC_MSG_CHECKING([operating system type])
HAVE_LINUX=no
HAVE_MSWINDOWS=no
case "$target" in
*linux*)
AC_MSG_RESULT(Linux)
HAVE_LINUX=yes
;;
*mingw*)
AC_MSG_RESULT(Windows)
HAVE_MSWINDOWS=yes
;;
*)
AC_MSG_RESULT(other UNIX)
;;
esac
AC_SUBST(HAVE_MSWINDOWS)
AC_SUBST(HAVE_LINUX)
dnl Enable "-Wl,-z,defs" only on Linux
dnl ==================================
if test $HAVE_LINUX = yes ; then
LDFLAGS="$LDFLAGS -Wl,-z,defs"
fi
dnl MinGW needs -march=i686 for atomics
dnl ===================================
if test $HAVE_MSWINDOWS = yes ; then
CFLAGS="$CFLAGS -march=i686"
fi
dnl Checks for various programs
dnl ===========================
AC_PROG_LN_S
AC_PATH_PROG([RM], [rm])
AC_PATH_PROG([MV], [mv])
AC_PATH_PROG([CP], [cp])
AC_PATH_PROG([AR], [ar])
AC_PATH_PROG([RANLIB], [ranlib])
AC_PATH_PROG([WINDRES], [windres])
dnl Check for POSIX threads
dnl =======================
AC_SEARCH_LIBS([pthread_create], [pthread])
dnl Check for GTK+ and pals
dnl =======================
PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.32)
PKG_CHECK_MODULES(GMODULE, gmodule-2.0 >= 2.32)
PKG_CHECK_MODULES(GTK, gtk+-3.0 >= 3.4)
if test $HAVE_MSWINDOWS = yes ; then
PKG_CHECK_MODULES(GIO, gio-2.0 >= 2.32)
else
PKG_CHECK_MODULES(GIO, gio-2.0 >= 2.32 gio-unix-2.0 >= 2.32)
fi
AC_SUBST(GLIB_CFLAGS)
AC_SUBST(GLIB_LIBS)
AC_SUBST(GIO_CFLAGS)
AC_SUBST(GIO_LIBS)
AC_SUBST(GMODULE_CFLAGS)
AC_SUBST(GMODULE_LIBS)
AC_SUBST(GTK_CFLAGS)
AC_SUBST(GTK_LIBS)
])
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