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Generate a config.h rather than passing defines on command line.

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Fixes bug #553.
This commit is contained in:
Martin Ling
2015-03-24 23:15:32 +00:00
parent 7c1101dc08
commit 7c081505e5
4 changed files with 29 additions and 8 deletions
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31
configure.ac
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@@ -29,6 +29,7 @@ m4_define([sp_package_version], [sp_package_version_major.sp_package_version_min
AC_INIT([libserialport], [sp_package_version], [martin-libserialport@earth.li],
[libserialport], [http://sigrok.org/wiki/Libserialport])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([autostuff])
AC_CONFIG_AUX_DIR([autostuff])
@@ -111,8 +112,8 @@ mingw* | cygwin*)
AM_CONDITIONAL([WIN32], false)
AM_CONDITIONAL([MACOSX], false)
AM_CONDITIONAL([FREEBSD], false)
AC_DEFINE(NO_ENUMERATION)
AC_DEFINE(NO_PORT_METADATA)
AC_DEFINE(NO_ENUMERATION,,[Enumeration is unsupported])
AC_DEFINE(NO_PORT_METADATA,,[Port metadata is unavailable])
esac
AC_SUBST(SP_PKGLIBS)
@@ -122,12 +123,22 @@ AC_SUBST(SP_LIBS)
AC_TYPE_SIZE_T
# Check for specific termios structures.
AC_CHECK_TYPE([struct termios2], [AC_DEFINE(HAVE_TERMIOS2, 1)], [], [[#include <linux/termios.h>]])
AC_CHECK_TYPE([struct termiox], [AC_DEFINE(HAVE_TERMIOX, 1)], [], [[#include <linux/termios.h>]])
AC_CHECK_TYPE([struct termios2],
[AC_DEFINE(HAVE_TERMIOS2, 1,
[struct termios2 is available.])],
[], [[#include <linux/termios.h>]])
AC_CHECK_TYPE([struct termiox],
[AC_DEFINE(HAVE_TERMIOX, 1,
[struct termiox is available.])],
[], [[#include <linux/termios.h>]])
AC_CHECK_MEMBERS([struct termios.c_ispeed, struct termios.c_ospeed],
[AC_DEFINE(HAVE_TERMIOS_SPEED, 1)], [], [[#include <linux/termios.h>]])
[AC_DEFINE(HAVE_TERMIOS_SPEED, 1,
[struct termios has c_ispeed/c_ospeed.])],
[], [[#include <linux/termios.h>]])
AC_CHECK_MEMBERS([struct termios2.c_ispeed, struct termios2.c_ospeed],
[AC_DEFINE(HAVE_TERMIOS2_SPEED, 1)], [], [[#include <linux/termios.h>]])
[AC_DEFINE(HAVE_TERMIOS2_SPEED, 1,
[struct termios2 has c_ispeed/c_ospeed.])],
[], [[#include <linux/termios.h>]])
# Check for the BOTHER definition, needed for setting arbitrary baud rates.
# We can't just #ifdef BOTHER in the code, because of the separation between
@@ -141,14 +152,18 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#error BOTHER is not defined
#endif
]])],
[AC_DEFINE(HAVE_BOTHER, 1)
[AC_DEFINE(HAVE_BOTHER, 1, [BOTHER macro is available])
AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])])
# Check for serial_struct.
AC_CHECK_TYPE([struct serial_struct], [AC_DEFINE(HAVE_SERIAL_STRUCT, 1)],
AC_CHECK_TYPE([struct serial_struct],
[AC_DEFINE(HAVE_SERIAL_STRUCT, 1,
[struct serial is available.])],
[], [[#include <linux/serial.h>]])
saved="$CFLAGS"; CFLAGS="$CFLAGS -Werror"
AC_DEFINE(SP_API,,[Macro preceding public API functions])
AC_DEFINE(SP_PRIV,,[Macro preceding private functions])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
__attribute__((visibility("hidden"))) void foo(void) { }
]])],