vcd: Output timestamp only once per change.

[libsigrok.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 7ea0a6480f4c1b0b1e06493aa6beefd971bc4e11..df6c03930118695223051c084fed453061805d05 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -44,7 +44,7 @@ AH_BOTTOM([#endif /* SR_CONFIG_H */])
 
 # Enable more compiler warnings via -Wall and -Wextra. Add -fvisibility=hidden
 # and enforce use of SR_API to explicitly mark all public API functions.
-CFLAGS="$CFLAGS -Wall -Wextra -fvisibility=hidden"
+CFLAGS="$CFLAGS -Wall -Wextra -Wmissing-prototypes -fvisibility=hidden"
 
 # Checks for programs.
 AC_PROG_CC
@@ -220,13 +220,9 @@ AC_ARG_ENABLE(serial-dmm, AC_HELP_STRING([--enable-serial-dmm],
        [HW_SERIAL_DMM=$HW_ENABLED_DEFAULT])
 
 AC_ARG_ENABLE(sysclk-lwla, AC_HELP_STRING([--enable-sysclk-lwla],
-       [enable SysClk LWLA support [default=yes]]),
+       [enable Sysclk LWLA support [default=yes]]),
        [HW_SYSCLK_LWLA="$enableval"],
        [HW_SYSCLK_LWLA=$HW_ENABLED_DEFAULT])
-AM_CONDITIONAL(HW_SYSCLK_LWLA, test x$HW_SYSCLK_LWLA = xyes)
-if test "x$HW_SYSCLK_LWLA" = "xyes"; then
-       AC_DEFINE(HAVE_HW_SYSCLK_LWLA, 1, [SysClk LWLA support])
-fi
 
 AC_ARG_ENABLE(teleinfo, AC_HELP_STRING([--enable-teleinfo],
        [enable Teleinfo support [default=yes]]),
@@ -275,7 +271,7 @@ SR_PKGLIBS=""
 # libm (the standard math library) is always needed.
 AC_SEARCH_LIBS([pow], [m])
 
-# RPC is only needed for VXI support
+# RPC is only needed for VXI support.
 AC_MSG_CHECKING([for RPC support])
 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <rpc/rpc.h>],
                                 [CLIENT *rpc_test(void)],
@@ -283,9 +279,9 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <rpc/rpc.h>],
                [AC_MSG_RESULT([yes]); have_rpc=1],
                [AC_MSG_RESULT([no]);  have_rpc=0])
 # Define HAVE_RPC in config.h if we found RPC support.
-AC_DEFINE_UNQUOTED(HAVE_RPC, [$have_rpc],[Specifies whether we have RPC support.])
+AC_DEFINE_UNQUOTED(HAVE_RPC, [$have_rpc], [Specifies whether we have RPC support.])
 # VXI support is only compiled if RPC support was found.
-AM_CONDITIONAL(NEED_RPC, test "x$have_rpc" != x0)
+AM_CONDITIONAL(NEED_RPC, test "x$have_rpc" != "x0")
 
 # libglib-2.0 is always needed. Abort if it's not found.
 # Note: glib-2.0 is part of the libsigrok API (hard pkg-config requirement).
@@ -337,7 +333,7 @@ case "$host" in
                SR_PKGLIBS="$SR_PKGLIBS libusb-1.0"],
                [have_libusb1_0="no"; HW_FX2LAFW="no"; HW_HANTEK_DSO="no";
                HW_IKALOGIC_SCANALOGIC2="no"; HW_KECHENG_KC_330B="no";
-               HW_LASCAR_EL_USB="no";
+               HW_LASCAR_EL_USB="no"; HW_SYSCLK_LWLA="no";
                HW_UNI_T_DMM="no"; HW_UNI_T_UT32X="no"; HW_VICTOR_DMM="no";
                HW_ZEROPLUS_LOGIC_CUBE="no"; HW_SALEAE_LOGIC16="no"])
 
@@ -524,6 +520,11 @@ if test "x$HW_SERIAL_DMM" = "xyes"; then
        AC_DEFINE(HAVE_HW_SERIAL_DMM, 1, [Serial DMM support])
 fi
 
+AM_CONDITIONAL(HW_SYSCLK_LWLA, test x$HW_SYSCLK_LWLA = xyes)
+if test "x$HW_SYSCLK_LWLA" = "xyes"; then
+       AC_DEFINE(HAVE_HW_SYSCLK_LWLA, 1, [Sysclk LWLA support])
+fi
+
 AM_CONDITIONAL(HW_TELEINFO, test x$HW_TELEINFO = xyes)
 if test "x$HW_TELEINFO" = "xyes"; then
        AC_DEFINE(HAVE_HW_TELEINFO, 1, [Teleinfo support])
@@ -556,23 +557,9 @@ fi
 
 # Checks for header files.
 # These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h.
-AC_CHECK_HEADERS([fcntl.h sys/time.h termios.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_BIGENDIAN
-AC_C_INLINE
-AC_TYPE_INT8_T
-AC_TYPE_INT16_T
-AC_TYPE_INT32_T
-AC_TYPE_INT64_T
-AC_TYPE_UINT8_T
-AC_TYPE_UINT16_T
-AC_TYPE_UINT32_T
-AC_TYPE_UINT64_T
-AC_TYPE_SIZE_T
-
-# Checks for library functions.
-AC_CHECK_FUNCS([gettimeofday memset strchr strcspn strdup strerror strncasecmp strstr strtol strtoul strtoull])
 
 AC_SUBST(FIRMWARE_DIR, "$datadir/sigrok-firmware")
 AC_SUBST(MAKEFLAGS, '--no-print-directory')