X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=blobdiff_plain;f=configure.ac;h=420021f628ab81d61a4e898fe1acdc6c3d173f2a;hp=dde772705dc6a913524116a4e4399dd044f0b823;hb=982bbbce08caed783b941ad8141596caf01079c6;hpb=2e2e989712ec5991526b3aaeec011440adb5bf7e

diff --git a/configure.ac b/configure.ac
index dde7727..420021f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -37,7 +37,7 @@ AC_CONFIG_SRCDIR([src/sysdb.c])
 AC_CONFIG_HEADERS([src/config.h])
 AC_PREFIX_DEFAULT([/opt/sysdb])
 
-AM_INIT_AUTOMAKE([foreign -Wall])
+AM_INIT_AUTOMAKE([foreign subdir-objects -Wall])
 
 AC_LANG(C)
 
@@ -48,6 +48,7 @@ AC_PROG_CPP
 AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_MAKE_SET
+AM_PROG_AR
 
 AM_PROG_CC_C_O
 AM_PROG_LEX
@@ -78,6 +79,8 @@ test_cc_flags() {
 	return $ret
 }
 
+STRICT_CFLAGS=""
+
 m4_divert_once([HELP_ENABLE], [
 Build options:])
 
@@ -93,18 +96,23 @@ if test "x$enable_standards" = "xyes"; then
 			[Define to enforce ISO/IEC 9899:1999 (C99) compliance.])
 	AC_DEFINE([_POSIX_C_SOURCE], 200112L,
 			[Define to enforce IEEE 1003.1-2001 (POSIX:2001) compliance.])
-	AC_DEFINE([_XOPEN_SOURCE], 600,
-			[Define to enforce X/Open 6 (XSI) compliance.])
+	AC_DEFINE([_XOPEN_SOURCE], 700,
+			[Define to enforce X/Open 7 (XSI) compliance.])
 	AC_DEFINE([_REENTRANT], 1,
 			[Define to enable reentrant interfaces.])
 	AC_DEFINE([_THREAD_SAFE], 1,
 			[Define to enable reentrant interfaces.])
 
-	for flag in -std=c99 -pedantic; do
+	dnl GNU libc defines strcasecmp() only when using _BSD_SOURCE even though
+	dnl the function is conforming to POSIX.1-2001 as well. Let's weaken
+	dnl strict standards compliance a bit to work around this.
+	AC_DEFINE([_BSD_SOURCE], 1, [Define to enable 4.3BSD support.])
+
+	for flag in -std=c99; do
 		AC_MSG_CHECKING([whether $CC accepts $flag])
 
 		if test_cc_flags $flag; then
-			CFLAGS="$CFLAGS $flag"
+			STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 			AC_MSG_RESULT([yes])
 		else
 			AC_MSG_RESULT([no])
@@ -129,7 +137,7 @@ if test "x$enable_hardening" = "xyes"; then
 		AC_MSG_CHECKING([whether $CC accepts $flag])
 
 		if test_cc_flags $flag; then
-			CFLAGS="$CFLAGS $flag"
+			STRICT_CFLAGS="$STRICT_CFLAGS $flag"
 			hardening=$(($hardening + 1))
 			AC_MSG_RESULT([yes])
 		else
@@ -149,7 +157,6 @@ AC_ARG_ENABLE([strict-checks],
 		[enable_strict_checks="$enableval"],
 		[enable_strict_checks="yes"])
 
-STRICT_CFLAGS=""
 for flag in -Wall -Werror; do
 	AC_MSG_CHECKING([whether $CC accepts $flag])
 
@@ -162,11 +169,13 @@ for flag in -Wall -Werror; do
 done
 
 if test "x$enable_strict_checks" = "xyes"; then
+	dnl -Wsign-conversion may cause problems in expanded macros from libc
 	for flag in -Wextra \
 			-Wbad-function-cast \
 			-Wcast-align \
 			-Wcast-qual \
 			-Wconversion \
+			-Wno-sign-conversion \
 			-Wdeclaration-after-statement \
 			-Wmissing-prototypes \
 			-Wpointer-arith \
@@ -184,6 +193,64 @@ if test "x$enable_strict_checks" = "xyes"; then
 fi
 AC_SUBST([STRICT_CFLAGS])
 
+AC_ARG_ENABLE([gcov],
+		AS_HELP_STRING([--enable-gcov],
+				[Gcov coverage statistics @<:@default=no@:>@]),
+		[enable_gcov="$enableval"],
+		[enable_gcov="no"])
+
+dnl $GCC is based on some heuristics which might apply to clang as well.
+dnl However, clang does not support gcov.
+cc_is_gcc="no"
+case "x$CC" in
+	xgcc)
+		cc_is_gcc="yes"
+		;;
+	xgcc-*)
+		cc_is_gcc="yes"
+		;;
+esac
+
+COVERAGE_CFLAGS=""
+COVERAGE_LDFLAGS=""
+if test "x$enable_gcov" = "xyes" && test "x$GCC$cc_is_gcc" == "xyesyes"; then
+	COVERAGE_CFLAGS="-O0"
+	cov_flag_have_problem="no"
+
+	AC_MSG_CHECKING([whether $CC accepts --coverage])
+	if test_cc_flags --coverage; then
+		COVERAGE_CFLAGS="$COVERAGE_CFLAGS --coverage"
+		COVERAGE_LDFLAGS="$COVERAGE_LDFLAGS --coverage"
+		AC_MSG_RESULT([yes])
+	else
+		AC_MSG_RESULT([no])
+		cov_flag_have_problem="yes"
+	fi
+
+	for flag in -fno-inline; do
+		AC_MSG_CHECKING([whether $CC accepts $flag])
+		if test_cc_flags $flag; then
+			COVERAGE_CFLAGS="$COVERAGE_CFLAGS $flag"
+			AC_MSG_RESULT([yes])
+		else
+			AC_MSG_RESULT([no])
+			cov_flag_have_problem="yes"
+		fi
+	done
+
+	if test "x$cov_flag_have_problem" != "xno"; then
+		AC_MSG_WARN([Some coverage flags are not supported by your compiler!])
+	fi
+else if test "x$enable_gcov" = "xyes"; then
+	AC_MSG_WARN([Your compiler ($CC) is not known to support Gcov!])
+	enable_gcov="no (requires GCC)"
+fi; fi
+AC_SUBST([COVERAGE_CFLAGS])
+AC_SUBST([COVERAGE_LDFLAGS])
+
+m4_divert_once([HELP_ENABLE], [
+Build dependencies:])
+
 dnl Testing.
 PKG_CHECK_MODULES([CHECK], [check >= 0.9.4],
 		[build_testing="yes"], [build_testing="no"])
@@ -195,11 +262,15 @@ AC_ARG_WITH([libdbi],
 		[AS_HELP_STRING([--with-libdbi], [libdbi support (default: auto)])],
 		[with_libdbi="$withval"],
 		[with_libdbi="yes"])
-if test "x$with_libdbi" = "xyes"; then
+if test "x$with_libdbi" = "xyes" || test "x$with_libdbi" = "xauto"; then
 	AC_CHECK_HEADERS([dbi/dbi.h],
 			[with_libdbi="yes"],
-			[with_libdbi="no (dbi/dbi.h) not found"])
-fi
+			[with_libdbi="no (dbi/dbi.h not found)"])
+else if test "x$with_libdbi" = "xno"; then
+	with_libdbi="$with_libdbi (disabled on command-line)"
+else
+	AC_MSG_ERROR([Invalid value for option --with-libdbi=$with_libdbi (expected "yes", "no", or "auto")])
+fi; fi
 if test "x$with_libdbi" = "xyes"; then
 	AC_CHECK_LIB([dbi], [dbi_initialize],
 			[with_libdbi="yes"],
@@ -219,6 +290,87 @@ if test "x$have_fopencookie" = "xyes"; then
 	AC_DEFINE([HAVE_FOPENCOOKIE], 1)
 fi
 
+dnl readline support
+AC_ARG_WITH([readline],
+		[AS_HELP_STRING([--with-readline],
+			[readline support (libedit/libreadline) (default: auto, prefer libedit)])],
+		[readline_support="$withval"],
+		[readline_support="auto"])
+
+if test "x$readline_support" = "xyes"; then
+	readline_support="auto"
+else if test "x$readline_support" != "xauto" \
+		&& test "x$readline_support" != "xno" \
+		&& test "x$readline_support" != "xlibedit" \
+		&& test "x$readline_support" != "xlibreadline"; then
+	AC_MSG_ERROR([Invalid value for option --with-readline=$readline_support (expected "yes", "no", "auto", "libedit", or "libreadline")])
+fi; fi
+
+have_libedit="no"
+if test "x$readline_support" = "xauto" \
+		|| test "x$readline_support" = "xlibedit"; then
+	PKG_CHECK_MODULES([LIBEDIT], [libedit],
+			[have_libedit="yes"], [have_libedit="no"])
+	if test "x$have_libedit" = "xyes"; then
+		AC_CHECK_HEADERS([editline/readline.h], [],
+				[AC_CHECK_HEADERS([readline.h], [],
+						[have_libedit="no (readline header not found"])])
+	fi
+	if test "x$have_libedit" = "xyes"; then
+		AC_CHECK_HEADERS([editline/history.h], [],
+				[AC_CHECK_HEADERS([history.h], [],
+						[have_libedit="no (history header not found"])])
+	fi
+else
+	have_libedit="disabled on command-line"
+fi
+
+have_libreadline="no"
+if test "x$have_libedit" != "xyes"; then
+	if test "x$readline_support" = "xauto" \
+			|| test "x$readline_support" = "xlibreadline"; then
+		AC_CHECK_LIB([readline], [readline],
+				[have_libreadline="yes"],
+				[have_libreadline="no (libreadline or symbol 'readline' not found)"])
+	fi
+	if test "x$have_libreadline" = "xyes"; then
+		AC_CHECK_HEADERS([readline/readline.h], [],
+				[AC_CHECK_HEADERS([readline.h], [],
+						[have_libreadline="no (readline header not found"])])
+	fi
+	if test "x$have_libreadline" = "xyes"; then
+		AC_CHECK_HEADERS([readline/history.h], [],
+				[AC_CHECK_HEADERS([history.h], [],
+						[have_libreadline="no (history header not found"])])
+	fi
+else
+	have_libreadline="unchecked (prefer libedit)"
+fi
+
+if test "x$have_libedit" = "xyes"; then
+	READLINE_LIBS="$LIBEDIT_LIBS"
+	READLINE_CFLAGS="$LIBEDIT_CFLAGS"
+	readline_support="libedit"
+else if test "x$have_libreadline" = "xyes"; then
+	READLINE_LIBS="-lreadline -lhistory"
+	READLINE_CFLAGS=""
+	readline_support="libreadline"
+else
+	READLINE_LIBS=""
+	READLINE_CFLAGS=""
+	if test "x$readline_support" = "xno"; then
+		AC_MSG_WARN([*** readline support disabled; disabling SysDB client])
+	else if test "x$readline_support" = "xauto"; then
+		AC_MSG_WARN([*** readline not found; disabling SysDB client])
+	else
+		AC_MSG_ERROR([readline not found])
+	fi; fi
+	readline_support="no"
+fi; fi
+AC_SUBST([READLINE_LIBS])
+AC_SUBST([READLINE_CFLAGS])
+AM_CONDITIONAL([BUILD_CLIENT], test "x$readline_support" != "no")
+
 dnl Feature checks.
 build_documentation="yes"
 
@@ -260,10 +412,14 @@ AC_SDB_PLUGIN([mk-livestatus], [yes],
 		[backend accessing Nagios/Icinga/Shinken using MK Livestatus])
 AC_SDB_PLUGIN([puppet-storeconfigs], [$puppet_storeconfigs_default],
 		[backend accessing the Puppet stored configuration database])
-AC_SDB_PLUGIN([syslog], [yes],
-		[plugin logging to syslog])
+
+m4_divert_once([HELP_ENABLE], [
+Plugins:])
+
 AC_SDB_PLUGIN([cname-dns], [yes],
 		[canonicalize hostnames by querying DNS])
+AC_SDB_PLUGIN([syslog], [yes],
+		[plugin logging to syslog])
 
 AM_CONDITIONAL([BUILD_DOCUMENTATION], test "x$build_documentation" = "xyes")
 AM_CONDITIONAL([BUILD_TESTING], test "x$build_testing" = "xyes")
@@ -293,9 +449,12 @@ AC_MSG_RESULT([  Features:])
 AC_MSG_RESULT([    documentation:  . . . . . . $build_documentation])
 AC_MSG_RESULT([    unit testing: . . . . . . . $build_testing])
 AC_MSG_RESULT([      stdio mocking:  . . . . . $have_fopencookie])
+AC_MSG_RESULT([    coverage testing: . . . . . $enable_gcov])
 AC_MSG_RESULT()
 AC_MSG_RESULT([  Libraries:])
 AC_MSG_RESULT([    libdbi: . . . . . . . . . . $with_libdbi])
+AC_MSG_RESULT([    libedit:  . . . . . . . . . $have_libedit])
+AC_MSG_RESULT([    libreadline:  . . . . . . . $have_libreadline])
 AC_MSG_RESULT()
 AC_MSG_RESULT([  Backends:])
 AC_MSG_RESULT([    collectd: . . . . . . . . . $enable_collectd])
@@ -304,6 +463,7 @@ AC_MSG_RESULT([    puppet-storeconfigs:  . . . $enable_puppet_storeconfigs])
 AC_MSG_RESULT()
 AC_MSG_RESULT([  Plugins:])
 AC_MSG_RESULT([    cname::dns: . . . . . . . . $enable_cname_dns])
+AC_MSG_RESULT([    syslog: . . . . . . . . . . $enable_syslog])
 AC_MSG_RESULT()
 AC_MSG_RESULT([This package is maintained by $PACKAGE_MAINTAINER.])
 AC_MSG_RESULT([Please report bugs to $PACKAGE_BUGREPORT.])