show: print list of available serial ports

[sigrok-cli.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index b939a84d48128f9e09863f52ed1d755fbc719558..ef0ea0b2ce34dff2379c742785d9d0b95f2e5654 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 ##
-## This file is part of the sigrok project.
+## This file is part of the sigrok-cli project.
 ##
 ## Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
 ##
@@ -17,73 +17,107 @@
 ## along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ##
 
-AC_PREREQ(2.61)
+# We require at least autoconf 2.63 (AC_INIT format changed there).
+AC_PREREQ([2.63])
 
-AC_INIT([sigrok-cli], [0.1], [sigrok-devel@lists.sourceforge.net],
-        [sigrok-cli], [http://www.sigrok.org])
-
-AC_CONFIG_SRCDIR([sigrok-cli.c])
-
-AC_CONFIG_HEADERS([config.h])
-AC_CONFIG_MACRO_DIR([autostuff])
+AC_INIT([sigrok-cli], [0.8.0], [sigrok-devel@lists.sourceforge.net],
+       [sigrok-cli], [http://www.sigrok.org])
+AC_CONFIG_SRCDIR([sigrok-cli.h])
+AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([autostuff])
+AC_CONFIG_HEADERS([config.h])
 
-AM_INIT_AUTOMAKE([-Wall -Werror foreign std-options])
-m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
-
-AH_TOP([#ifndef SGIROK_CLI_CONFIG_H
-#define SIGROK_CLI_CONFIG_H    /* To stop multiple inclusions. */])
-AH_BOTTOM([#endif /* SIGROK_CLI_CONFIG_H */])
+# We require at least automake 1.11 (needed for 'silent rules').
+AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define std-options check-news])
+AM_SILENT_RULES([yes])
 
-CFLAGS="-g -Wall -Wextra"
+AC_CANONICAL_HOST
 
 # Checks for programs.
 AC_PROG_CC
-AC_PROG_CPP
 AC_PROG_INSTALL
-AC_PROG_LN_S
 
-# Initialize libtool.
-LT_INIT
+# Set the standard the C library headers should conform to.
+AH_VERBATIM([_POSIX_C_SOURCE], [/* The targeted POSIX standard. */
+#ifndef _POSIX_C_SOURCE
+# define _POSIX_C_SOURCE 200112L
+#endif])
+
+# Get compiler versions.
+SR_PROG_VERSION([$CC], [sc_cc_version])
+
+# Set up the sigrok-cli version defines.
+SR_PKG_VERSION_SET([SC_PACKAGE_VERSION], [AC_PACKAGE_VERSION])
+
+#############################
+##  Optional dependencies  ##
+#############################
 
 # Initialize pkg-config.
 # We require at least 0.22, as "Requires.private" behaviour changed there.
 PKG_PROG_PKG_CONFIG([0.22])
 
-# Checks for libraries.
+# Keep track of all checked modules so we can list them at the end.
+SR_PKG_CHECK_SUMMARY([sc_pkglibs_summary])
+
+# Collect the pkg-config module names of all dependencies.
+SR_VAR_OPT_PKG([SC_PKGLIBS])
+
+SR_ARG_OPT_PKG([libsigrokdecode], [SRD],,
+       [libsigrokdecode >= 0.5.0])
+
+######################
+##  Feature checks  ##
+######################
+
+AC_LANG([C])
 
-PKG_CHECK_MODULES([libsigrok], [libsigrok],
-       [CFLAGS="$CFLAGS $libsigrok_CFLAGS";
-       LIBS="$LIBS $libsigrok_LIBS"])
+# Enable the C99 standard if possible.
+SC_EXTRA_CFLAGS=
+SR_CHECK_COMPILE_FLAGS([SC_EXTRA_CFLAGS], [C99],
+       [-std=c99 -c99 -AC99 -qlanglvl=extc99])
 
-PKG_CHECK_MODULES([libsigrokdecode], [libsigrokdecode],
-       [CFLAGS="$CFLAGS $libsigrokdecode_CFLAGS";
-       LIBS="$LIBS $libsigrokdecode_LIBS"])
+SR_ARG_ENABLE_WARNINGS([SC_WFLAGS], [-Wall], [-Wall -Wextra])
 
-# Checks for header files.
-# These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h.
-AC_CHECK_HEADERS([sys/time.h termios.h])
+# Check host characteristics.
+AC_SYS_LARGEFILE
 
-# Checks for typedefs, structures, and compiler characteristics.
-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
+##############################
+##  Finalize configuration  ##
+##############################
 
-# Checks for library functions.
-AC_CHECK_FUNCS([strcasecmp strchr strerror strstr strtol])
+# Retrieve the compile and link flags for all modules combined.
+# Also, bail out at this point if any module dependency is not met.
+PKG_CHECK_MODULES([SIGROK_CLI],
+       [glib-2.0 >= 2.32.0 libsigrok >= 0.5.0 $SC_PKGLIBS])
 
-AC_SUBST(MAKEFLAGS, '--no-print-directory')
-AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
+sc_glib_version=`$PKG_CONFIG --modversion glib-2.0 2>&AS_MESSAGE_LOG_FD`
+sc_libsigrok_version=`$PKG_CONFIG --modversion libsigrok 2>&AS_MESSAGE_LOG_FD`
 
-AC_CONFIG_FILES([Makefile
-                doc/Makefile])
+AC_CONFIG_FILES([Makefile contrib/sigrok-cli_cross.nsi])
 
 AC_OUTPUT
 
+cat >&AS_MESSAGE_FD <<_EOF
+
+sigrok-cli configuration summary:
+ - Package version................. $SC_PACKAGE_VERSION
+ - Prefix.......................... $prefix
+ - Building on..................... $build
+ - Building for.................... $host
+
+Compile configuration:
+ - C compiler...................... $CC
+ - C compiler version.............. $sc_cc_version
+ - C compiler flags................ $CFLAGS
+ - Additional C compiler flags..... $SC_EXTRA_CFLAGS
+ - C compiler warnings............. $SC_WFLAGS
+ - Linker flags.................... $LDFLAGS
+
+Detected libraries (required):
+ - glib-2.0 >= 2.32.0.............. $sc_glib_version
+ - libsigrok >= 0.5.0.............. $sc_libsigrok_version
+
+Detected libraries (optional):
+$sc_pkglibs_summary
+_EOF