diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/.gitignore | 5 | ||||
| -rw-r--r-- | m4/compiler-features.m4 | 100 | ||||
| -rw-r--r-- | m4/compiler-flags.m4 | 159 | ||||
| -rw-r--r-- | m4/developer-mode.m4 | 112 | ||||
| -rw-r--r-- | m4/doxygen.m4 | 62 | ||||
| -rw-r--r-- | m4/lua.m4 | 69 |
6 files changed, 507 insertions, 0 deletions
diff --git a/m4/.gitignore b/m4/.gitignore new file mode 100644 index 000000000000..38066ddf7cad --- /dev/null +++ b/m4/.gitignore @@ -0,0 +1,5 @@ +libtool.m4 +ltoptions.m4 +ltsugar.m4 +ltversion.m4 +lt~obsolete.m4 diff --git a/m4/compiler-features.m4 b/m4/compiler-features.m4 new file mode 100644 index 000000000000..55ff4f42b261 --- /dev/null +++ b/m4/compiler-features.m4 @@ -0,0 +1,100 @@ +dnl Copyright 2010 Google Inc. +dnl All rights reserved. +dnl +dnl Redistribution and use in source and binary forms, with or without +dnl modification, are permitted provided that the following conditions are +dnl met: +dnl +dnl * Redistributions of source code must retain the above copyright +dnl notice, this list of conditions and the following disclaimer. +dnl * Redistributions in binary form must reproduce the above copyright +dnl notice, this list of conditions and the following disclaimer in the +dnl documentation and/or other materials provided with the distribution. +dnl * Neither the name of Google Inc. nor the names of its contributors +dnl may be used to endorse or promote products derived from this software +dnl without specific prior written permission. +dnl +dnl THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +dnl "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +dnl LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +dnl A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +dnl OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +dnl SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +dnl LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +dnl DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +dnl THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +dnl (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +dnl OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +dnl +dnl KYUA_REQUIRE_CXX +dnl +dnl Ensures the C++ compiler detected by AC_PROG_CXX is present and works. +dnl The compiler check should be performed here, but it seems like Autoconf +dnl does not allow it. +dnl +AC_DEFUN([KYUA_REQUIRE_CXX], [ + AC_CACHE_CHECK([whether the C++ compiler works], + [atf_cv_prog_cxx_works], + [AC_LANG_PUSH([C++]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], + [atf_cv_prog_cxx_works=yes], + [atf_cv_prog_cxx_works=no]) + AC_LANG_POP([C++])]) + if test "${atf_cv_prog_cxx_works}" = no; then + AC_MSG_ERROR([C++ compiler cannot create executables]) + fi +]) + +dnl +dnl KYUA_ATTRIBUTE_NORETURN +dnl +dnl Checks if the current compiler has a way to mark functions that do not +dnl return and defines ATTRIBUTE_NORETURN to the appropriate string. +dnl +AC_DEFUN([KYUA_ATTRIBUTE_NORETURN], [ + dnl This check is overly simple and should be fixed. For example, + dnl Sun's cc does support the noreturn attribute but CC (the C++ + dnl compiler) does not. And in that case, CC just raises a warning + dnl during compilation, not an error. + AC_MSG_CHECKING(whether __attribute__((noreturn)) is supported) + AC_RUN_IFELSE([AC_LANG_PROGRAM([], [ +#if ((__GNUC__ == 2 && __GNUC_MINOR__ >= 5) || __GNUC__ > 2) + return 0; +#else + return 1; +#endif + ])], + [AC_MSG_RESULT(yes) + value="__attribute__((noreturn))"], + [AC_MSG_RESULT(no) + value=""] + ) + AC_SUBST([ATTRIBUTE_NORETURN], [${value}]) +]) + + +dnl +dnl KYUA_ATTRIBUTE_UNUSED +dnl +dnl Checks if the current compiler has a way to mark parameters as unused +dnl so that the -Wunused-parameter warning can be avoided. +dnl +AC_DEFUN([KYUA_ATTRIBUTE_UNUSED], [ + AC_MSG_CHECKING(whether __attribute__((__unused__)) is supported) + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([ +static void +function(int a __attribute__((__unused__))) +{ +}], [ + function(3); + return 0; +])], + [AC_MSG_RESULT(yes) + value="__attribute__((__unused__))"], + [AC_MSG_RESULT(no) + value=""] + ) + AC_SUBST([ATTRIBUTE_UNUSED], [${value}]) +]) diff --git a/m4/compiler-flags.m4 b/m4/compiler-flags.m4 new file mode 100644 index 000000000000..480e5c740a2a --- /dev/null +++ b/m4/compiler-flags.m4 @@ -0,0 +1,159 @@ +dnl Copyright 2010 Google Inc. +dnl All rights reserved. +dnl +dnl Redistribution and use in source and binary forms, with or without +dnl modification, are permitted provided that the following conditions are +dnl met: +dnl +dnl * Redistributions of source code must retain the above copyright +dnl notice, this list of conditions and the following disclaimer. +dnl * Redistributions in binary form must reproduce the above copyright +dnl notice, this list of conditions and the following disclaimer in the +dnl documentation and/or other materials provided with the distribution. +dnl * Neither the name of Google Inc. nor the names of its contributors +dnl may be used to endorse or promote products derived from this software +dnl without specific prior written permission. +dnl +dnl THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +dnl "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +dnl LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +dnl A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +dnl OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +dnl SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +dnl LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +dnl DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +dnl THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +dnl (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +dnl OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +dnl \file compiler-flags.m4 +dnl +dnl Macros to check for the existence of compiler flags. The macros in this +dnl file support both C and C++. +dnl +dnl Be aware that, in order to detect a flag accurately, we may need to enable +dnl strict warning checking in the compiler (i.e. enable -Werror). Some +dnl compilers, e.g. Clang, report unknown -W flags as warnings unless -Werror is +dnl selected. This fact would confuse the flag checks below because we would +dnl conclude that a flag is valid while in reality it is not. To resolve this, +dnl the macros below will pass -Werror to the compiler along with any other flag +dnl being checked. + + +dnl Checks for a compiler flag and sets a result variable. +dnl +dnl This is an auxiliary macro for the implementation of _KYUA_FLAG. +dnl +dnl \param 1 The shell variable containing the compiler name. Used for +dnl reporting purposes only. C or CXX. +dnl \param 2 The shell variable containing the flags for the compiler. +dnl CFLAGS or CXXFLAGS. +dnl \param 3 The name of the compiler flag to check for. +dnl \param 4 The shell variable to set with the result of the test. Will +dnl be set to 'yes' if the flag is valid, 'no' otherwise. +dnl \param 5 Additional, optional flags to pass to the C compiler while +dnl looking for the flag in $3. We use this here to pass -Werror to the +dnl flag checks (unless we are checking for -Werror already). +AC_DEFUN([_KYUA_FLAG_AUX], [ + if test x"${$4-unset}" = xunset; then + AC_MSG_CHECKING(whether ${$1} supports $3) + saved_flags="${$2}" + $4=no + $2="${$2} $5 $3" + AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])], + AC_MSG_RESULT(yes) + $4=yes, + AC_MSG_RESULT(no)) + $2="${saved_flags}" + fi +]) + + +dnl Checks for a compiler flag and appends it to a result variable. +dnl +dnl \param 1 The shell variable containing the compiler name. Used for +dnl reporting purposes only. CC or CXX. +dnl \param 2 The shell variable containing the flags for the compiler. +dnl CFLAGS or CXXFLAGS. +dnl \param 3 The name of the compiler flag to check for. +dnl \param 4 The shell variable to which to append $3 if the flag is valid. +AC_DEFUN([_KYUA_FLAG], [ + _KYUA_FLAG_AUX([$1], [$2], [-Werror], [kyua_$1_has_werror]) + if test "$3" = "-Werror"; then + found=${kyua_$1_has_werror} + else + found=unset + if test ${kyua_$1_has_werror} = yes; then + _KYUA_FLAG_AUX([$1], [$2], [$3], [found], [-Werror]) + else + _KYUA_FLAG_AUX([$1], [$2], [$3], [found], []) + fi + fi + if test ${found} = yes; then + $4="${$4} $3" + fi +]) + + +dnl Checks for a C compiler flag and appends it to a variable. +dnl +dnl \pre The current language is C. +dnl +dnl \param 1 The name of the compiler flag to check for. +dnl \param 2 The shell variable to which to append $1 if the flag is valid. +AC_DEFUN([KYUA_CC_FLAG], [ + AC_LANG_ASSERT([C]) + _KYUA_FLAG([CC], [CFLAGS], [$1], [$2]) +]) + + +dnl Checks for a C++ compiler flag and appends it to a variable. +dnl +dnl \pre The current language is C++. +dnl +dnl \param 1 The name of the compiler flag to check for. +dnl \param 2 The shell variable to which to append $1 if the flag is valid. +AC_DEFUN([KYUA_CXX_FLAG], [ + AC_LANG_ASSERT([C++]) + _KYUA_FLAG([CXX], [CXXFLAGS], [$1], [$2]) +]) + + +dnl Checks for a set of C compiler flags and appends them to CFLAGS. +dnl +dnl The checks are performed independently and only when all the checks are +dnl done, the output variable is modified. +dnl +dnl \param 1 Whitespace-separated list of C flags to check. +AC_DEFUN([KYUA_CC_FLAGS], [ + AC_LANG_PUSH([C]) + valid_cflags= + for f in $1; do + KYUA_CC_FLAG(${f}, valid_cflags) + done + if test -n "${valid_cflags}"; then + CFLAGS="${CFLAGS} ${valid_cflags}" + fi + AC_LANG_POP([C]) +]) + + +dnl Checks for a set of C++ compiler flags and appends them to CXXFLAGS. +dnl +dnl The checks are performed independently and only when all the checks are +dnl done, the output variable is modified. +dnl +dnl \pre The current language is C++. +dnl +dnl \param 1 Whitespace-separated list of C flags to check. +AC_DEFUN([KYUA_CXX_FLAGS], [ + AC_LANG_PUSH([C++]) + valid_cxxflags= + for f in $1; do + KYUA_CXX_FLAG(${f}, valid_cxxflags) + done + if test -n "${valid_cxxflags}"; then + CXXFLAGS="${CXXFLAGS} ${valid_cxxflags}" + fi + AC_LANG_POP([C++]) +]) diff --git a/m4/developer-mode.m4 b/m4/developer-mode.m4 new file mode 100644 index 000000000000..9c9118bf1f86 --- /dev/null +++ b/m4/developer-mode.m4 @@ -0,0 +1,112 @@ +dnl Copyright 2010 Google Inc. +dnl All rights reserved. +dnl +dnl Redistribution and use in source and binary forms, with or without +dnl modification, are permitted provided that the following conditions are +dnl met: +dnl +dnl * Redistributions of source code must retain the above copyright +dnl notice, this list of conditions and the following disclaimer. +dnl * Redistributions in binary form must reproduce the above copyright +dnl notice, this list of conditions and the following disclaimer in the +dnl documentation and/or other materials provided with the distribution. +dnl * Neither the name of Google Inc. nor the names of its contributors +dnl may be used to endorse or promote products derived from this software +dnl without specific prior written permission. +dnl +dnl THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +dnl "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +dnl LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +dnl A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +dnl OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +dnl SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +dnl LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +dnl DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +dnl THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +dnl (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +dnl OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +dnl \file developer-mode.m4 +dnl +dnl "Developer mode" is a mode in which the build system reports any +dnl build-time warnings as fatal errors. This helps in minimizing the +dnl amount of trivial coding problems introduced in the code. +dnl Unfortunately, this is not bullet-proof due to the wide variety of +dnl compilers available and their different warning diagnostics. +dnl +dnl When developer mode support is added to a package, the compilation will +dnl gain a bunch of extra warning diagnostics. These will NOT be enforced +dnl unless developer mode is enabled. +dnl +dnl Developer mode is enabled when the user requests it through the +dnl configure command line, or when building from the repository. The +dnl latter is to minimize the risk of committing new code with warnings +dnl into the tree. + + +dnl Adds "developer mode" support to the package. +dnl +dnl This macro performs the actual definition of the --enable-developer +dnl flag and implements all of its logic. See the file-level comment for +dnl details as to what this implies. +AC_DEFUN([KYUA_DEVELOPER_MODE], [ + m4_foreach([language], [$1], [m4_set_add([languages], language)]) + + AC_ARG_ENABLE( + [developer], + AS_HELP_STRING([--enable-developer], [enable developer features]),, + [if test -d ${srcdir}/.git; then + AC_MSG_NOTICE([building from HEAD; developer mode autoenabled]) + enable_developer=yes + else + enable_developer=no + fi]) + + # + # The following warning flags should also be enabled but cannot be. + # Reasons given below. + # + # -Wold-style-cast: Raises errors when using TIOCGWINSZ, at least under + # Mac OS X. This is due to the way _IOR is defined. + # + + try_c_cxx_flags="-D_FORTIFY_SOURCE=2 \ + -Wall \ + -Wcast-qual \ + -Wextra \ + -Wpointer-arith \ + -Wredundant-decls \ + -Wreturn-type \ + -Wshadow \ + -Wsign-compare \ + -Wswitch \ + -Wwrite-strings" + + try_c_flags="-Wmissing-prototypes \ + -Wno-traditional \ + -Wstrict-prototypes" + + try_cxx_flags="-Wabi \ + -Wctor-dtor-privacy \ + -Wno-deprecated \ + -Wno-non-template-friend \ + -Wno-pmf-conversions \ + -Wnon-virtual-dtor \ + -Woverloaded-virtual \ + -Wreorder \ + -Wsign-promo \ + -Wsynth" + + if test ${enable_developer} = yes; then + try_werror=yes + try_c_cxx_flags="${try_c_cxx_flags} -g -Werror" + else + try_werror=no + try_c_cxx_flags="${try_c_cxx_flags} -DNDEBUG" + fi + + m4_set_contains([languages], [C], + [KYUA_CC_FLAGS(${try_c_cxx_flags} ${try_c_flags})]) + m4_set_contains([languages], [C++], + [KYUA_CXX_FLAGS(${try_c_cxx_flags} ${try_cxx_flags})]) +]) diff --git a/m4/doxygen.m4 b/m4/doxygen.m4 new file mode 100644 index 000000000000..a9b7222a5b42 --- /dev/null +++ b/m4/doxygen.m4 @@ -0,0 +1,62 @@ +dnl Copyright 2010 Google Inc. +dnl All rights reserved. +dnl +dnl Redistribution and use in source and binary forms, with or without +dnl modification, are permitted provided that the following conditions are +dnl met: +dnl +dnl * Redistributions of source code must retain the above copyright +dnl notice, this list of conditions and the following disclaimer. +dnl * Redistributions in binary form must reproduce the above copyright +dnl notice, this list of conditions and the following disclaimer in the +dnl documentation and/or other materials provided with the distribution. +dnl * Neither the name of Google Inc. nor the names of its contributors +dnl may be used to endorse or promote products derived from this software +dnl without specific prior written permission. +dnl +dnl THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +dnl "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +dnl LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +dnl A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +dnl OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +dnl SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +dnl LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +dnl DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +dnl THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +dnl (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +dnl OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +dnl +dnl KYUA_DOXYGEN +dnl +dnl Adds a --with-doxygen flag to the configure script and, when Doxygen support +dnl is requested by the user, sets DOXYGEN to the path of the Doxygen binary and +dnl enables the WITH_DOXYGEN Automake conditional. +dnl +AC_DEFUN([KYUA_DOXYGEN], [ + AC_ARG_WITH([doxygen], + AS_HELP_STRING([--with-doxygen], + [build documentation for internal APIs]), + [], + [with_doxygen=auto]) + + if test "${with_doxygen}" = yes; then + AC_PATH_PROG([DOXYGEN], [doxygen], []) + if test -z "${DOXYGEN}"; then + AC_MSG_ERROR([Doxygen explicitly requested but not found]) + fi + elif test "${with_doxygen}" = auto; then + AC_PATH_PROG([DOXYGEN], [doxygen], []) + elif test "${with_doxygen}" = no; then + DOXYGEN= + else + AC_MSG_CHECKING([for doxygen]) + DOXYGEN="${with_doxygen}" + AC_MSG_RESULT([${DOXYGEN}]) + if test ! -x "${DOXYGEN}"; then + AC_MSG_ERROR([Doxygen binary ${DOXYGEN} is not executable]) + fi + fi + AM_CONDITIONAL([WITH_DOXYGEN], [test -n "${DOXYGEN}"]) + AC_SUBST([DOXYGEN]) +]) diff --git a/m4/lua.m4 b/m4/lua.m4 new file mode 100644 index 000000000000..0d075c576210 --- /dev/null +++ b/m4/lua.m4 @@ -0,0 +1,69 @@ +dnl Copyright 2011 Google Inc. +dnl All rights reserved. +dnl +dnl Redistribution and use in source and binary forms, with or without +dnl modification, are permitted provided that the following conditions are +dnl met: +dnl +dnl * Redistributions of source code must retain the above copyright +dnl notice, this list of conditions and the following disclaimer. +dnl * Redistributions in binary form must reproduce the above copyright +dnl notice, this list of conditions and the following disclaimer in the +dnl documentation and/or other materials provided with the distribution. +dnl * Neither the name of Google Inc. nor the names of its contributors +dnl may be used to endorse or promote products derived from this software +dnl without specific prior written permission. +dnl +dnl THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +dnl "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +dnl LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +dnl A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +dnl OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +dnl SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +dnl LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +dnl DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +dnl THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +dnl (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +dnl OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +dnl +dnl KYUA_LUA +dnl +dnl Helper macro to detect Lua in a variety of systems. +dnl +AC_DEFUN([KYUA_LUA], [ + lua_found=no + + for lua_release in 5.2 5.1; do + if test "${lua_found}" = no; then + PKG_CHECK_MODULES([LUA], [lua${lua_release} >= ${lua_release}], + [lua_found=yes], [true]) + fi + if test "${lua_found}" = no; then + PKG_CHECK_MODULES([LUA], [lua-${lua_release} >= ${lua_release}], + [lua_found=yes], [true]) + fi + if test "${lua_found}" = no; then + PKG_CHECK_MODULES([LUA], [lua >= ${lua_release}], + [lua_found=yes], [true]) + fi + + test "${lua_found}" = no || break + done + + if test "${lua_found}" = no; then + AC_PATH_PROGS([LUA_CONFIG], [lua-config], [unset]) + if test "${LUA_CONFIG}" != unset; then + AC_SUBST([LUA_CFLAGS], [$(${LUA_CONFIG} --include)]) + AC_SUBST([LUA_LIBS], [$(${LUA_CONFIG} --libs)]) + lua_found=yes + fi + fi + + if test "${lua_found}" = no; then + AC_MSG_ERROR([lua (5.1 or newer) is required]) + else + AC_MSG_NOTICE([using LUA_CFLAGS = ${LUA_CFLAGS}]) + AC_MSG_NOTICE([using LUA_LIBS = ${LUA_LIBS}]) + fi +]) |