mirror of
https://github.com/owasp-modsecurity/ModSecurity.git
synced 2025-08-13 21:36:00 +03:00
f4a05b6e1f
In particular, on CentOS 7.3.1611 building libmodsecurity with default configure options ends up with failure while compiling src/engine/lua.cc, while config.log states that Lua was disabled.
241 lines
8.0 KiB
Plaintext
241 lines
8.0 KiB
Plaintext
dnl Check for LUA Libraries
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dnl CHECK_LUA(ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
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AC_DEFUN([CHECK_LUA],
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[dnl
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# Possible names for the lua library/package (pkg-config)
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LUA_POSSIBLE_LIB_NAMES="lua lua53 lua5.3 lua52 lua5.2"
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# Possible extensions for the library
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LUA_POSSIBLE_EXTENSIONS="so so0 la sl dll dylib so.0.0.0"
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# Possible paths (if pkg-config was not found, proceed with the file lookup)
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LUA_POSSIBLE_PATHS="/usr/lib /usr/local/lib /usr/local/lib64 /usr/local/lua /usr/local/liblua /usr/local /opt /usr /usr/lib64 /opt/local"
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# Variables to be set by this very own script.
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LUA_CFLAGS=""
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LUA_LDFLAGS=""
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LUA_LDADD=""
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LUA_DISPLAY=""
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AC_ARG_WITH(
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lua,
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AC_HELP_STRING(
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[--with-lua=PATH],
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[Path to lua prefix]
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)
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)
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if test "x${with_lua}" == "xno"; then
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AC_DEFINE(HAVE_LUA, 0, [Support for LUA was disabled by the utilization of --without-lua or --with-lua=no])
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AC_MSG_NOTICE([Support for LUA was disabled by the utilization of --without-lua or --with-lua=no])
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LUA_DISABLED=yes
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else
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if test "x${with_lua}" == "xyes"; then
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LUA_MANDATORY=yes
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AC_MSG_NOTICE([LUA support was marked as mandatory by the utilization of --with-lua=yes])
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else
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LUA_MANDATORY=no
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fi
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for x in ${LUA_POSSIBLE_PATHS}; do
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CHECK_FOR_LUA_AT(${x})
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if test -n "${LUA_CFLAGS}"; then
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break
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fi
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done
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if test -z "${LUA_CFLAGS}"; then
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#Trying to figure out the version using pkg-config...
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if test -n "${PKG_CONFIG}"; then
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LUA_PKG_NAME=""
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for x in ${LUA_POSSIBLE_LIB_NAMES}; do
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if ${PKG_CONFIG} --exists ${x}; then
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LUA_PKG_NAME="$x"
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LUA_PKG_VERSION="`${PKG_CONFIG} ${LUA_PKG_NAME} --modversion`"
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break
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fi
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done
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fi
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if test -n "${LUA_PKG_NAME}"; then
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# Package was found using the pkg-config scripts
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LUA_PKG_VERSION="`${PKG_CONFIG} ${LUA_PKG_NAME} --modversion`"
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LUA_CFLAGS="`${PKG_CONFIG} ${LUA_PKG_NAME} --cflags`"
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LUA_LDADD="`${PKG_CONFIG} ${LUA_PKG_NAME} --libs-only-l`"
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LUA_LDFLAGS="`${PKG_CONFIG} ${LUA_PKG_NAME} --libs-only-L --libs-only-other`"
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LUA_DISPLAY="${LUA_LDADD}, ${LUA_CFLAGS}"
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case $LUA_PKG_VERSION in
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(5.1*) LUA_CFLAGS="-DWITH_LUA_5_1 ${LUA_CFLAGS}" ; lua_5_1=1 ;;
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(5.2*) LUA_CFLAGS="-DWITH_LUA_5_2 ${LUA_CFLAGS}" ; lua_5_2=1 ;;
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esac
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AC_MSG_NOTICE([LUA pkg-config version: ${LUA_PKG_VERSION}])
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fi
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fi
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fi
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if test -z "${LUA_CFLAGS}"; then
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if test -z "${LUA_MANDATORY}" || test "x${LUA_MANDATORY}" == "xno"; then
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if test -z "${LUA_DISABLED}"; then
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AC_MSG_NOTICE([LUA library was not found])
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LUA_FOUND=0
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else
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LUA_FOUND=2
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fi
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else
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AC_MSG_ERROR([LUA was explicitly referenced but it was not found])
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LUA_FOUND=-1
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fi
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else
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if test "${lua_5_1}" = 1 && test "x${LUA_MANDATORY}" == "xyes" ; then
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AC_MSG_ERROR([LUA was explicitly referenced but LUA v5.1 was found and it is not currently supported on libModSecurity. LUA_VERSION: ${LUA_VERSION}])
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LUA_FOUND=-1
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fi
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if test -z "${LUA_MANDATORY}" || test "x${LUA_MANDATORY}" == "xno"; then
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LUA_FOUND=1
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AC_MSG_NOTICE([using LUA ${LUA_LDADD}])
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LUA_CFLAGS="-DWITH_LUA ${LUA_CFLAGS}"
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LUA_DISPLAY="${LUA_LDADD} ${LUA_LDFLAGS}, ${LUA_CFLAGS}"
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AC_SUBST(LUA_LDFLAGS)
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AC_SUBST(LUA_LDADD)
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AC_SUBST(LUA_CFLAGS)
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AC_SUBST(LUA_DISPLAY)
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else
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LUA_FOUND=1
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AC_MSG_NOTICE([using LUA ${LUA_LDADD}])
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LUA_CFLAGS="-DWITH_LUA ${LUA_CFLAGS}"
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LUA_DISPLAY="${LUA_LDADD} ${LUA_LDFLAGS}, ${LUA_CFLAGS}"
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AC_SUBST(LUA_LDFLAGS)
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AC_SUBST(LUA_LDADD)
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AC_SUBST(LUA_CFLAGS)
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AC_SUBST(LUA_DISPLAY)
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fi
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fi
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if test "${lua_5_1}" = 1 ; then
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AC_MSG_NOTICE([LUA 5.1 was found and it is not currently supported on libModSecurity. LUA_VERSION: ${LUA_VERSION}. LUA build disabled.])
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LUA_FOUND=2
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LUA_CFLAGS=
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LUA_DISPLAY=
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LUA_LDADD=
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LUA_LDFLAGS=
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fi
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AC_SUBST(LUA_FOUND)
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]) # AC_DEFUN [CHECK_LUA]
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AC_DEFUN([CHECK_FOR_LUA_AT], [
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path=$1
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echo "*** LOOKING AT PATH: " ${path}
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for y in ${LUA_POSSIBLE_EXTENSIONS}; do
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for z in ${LUA_POSSIBLE_LIB_NAMES}; do
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if test -e "${path}/${z}.${y}"; then
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lua_lib_path="${path}/"
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lua_lib_name="${z}"
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lua_lib_file="${lua_lib_path}/${z}.${y}"
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break
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fi
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if test -e "${path}/lib${z}.${y}"; then
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lua_lib_path="${path}/"
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lua_lib_name="${z}"
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lua_lib_file="${lua_lib_path}/lib${z}.${y}"
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break
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fi
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if test -e "${path}/lib/lib${z}.${y}"; then
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lua_lib_path="${path}/lib/"
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lua_lib_name="${z}"
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lua_lib_file="${lua_lib_path}/lib${z}.${y}"
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break
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fi
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if test -e "${path}/lib/x86_64-linux-gnu/lib${z}.${y}"; then
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lua_lib_path="${path}/lib/x86_64-linux-gnu/"
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lua_lib_name="${z}"
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lua_lib_file="${lua_lib_path}/lib${z}.${y}"
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break
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fi
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if test -e "${path}/lib/i386-linux-gnu/lib${z}.${y}"; then
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lua_lib_path="${path}/lib/i386-linux-gnu/"
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lua_lib_name="${z}"
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lua_lib_file="${lua_lib_path}/lib${z}.${y}"
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break
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fi
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done
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if test -n "$lua_lib_path"; then
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break
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fi
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done
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if test -e "${path}/include/lua.h"; then
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lua_inc_path="${path}/include"
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elif test -e "${path}/lua.h"; then
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lua_inc_path="${path}"
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elif test -e "${path}/include/lua/lua.h"; then
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lua_inc_path="${path}/include/lua"
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elif test -e "${path}/include/lua5.3/lua.h"; then
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lua_inc_path="${path}/include/lua5.3"
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LUA_VERSION=503
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elif test -e "${path}/include/lua5.2/lua.h"; then
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lua_inc_path="${path}/include/lua5.2"
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LUA_VERSION=502
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fi
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if test -n "${lua_lib_path}"; then
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AC_MSG_NOTICE([LUA library found at: ${lua_lib_file}])
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fi
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if test -n "${lua_inc_path}"; then
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AC_MSG_NOTICE([LUA headers found at: ${lua_inc_path}])
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fi
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if test -n "${lua_lib_path}" -a -n "${lua_inc_path}"; then
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LUA_CFLAGS="-I${lua_inc_path}"
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LUA_LDADD="-l${lua_lib_name}"
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LUA_LDFLAGS="-L${lua_lib_path}"
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LUA_DISPLAY="${lua_lib_file}, ${lua_inc_path}"
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# Double checking version from lua.h...
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AC_TRY_COMPILE([ #include <lua.h>> ],
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[ #if (LUA_VERSION_NUM < 502)
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return 0;
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#else
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#error Lua 5.1 not detected
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#endif ],
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[ LUA_VERSION=501 ], [ lua_5_1=0 ]
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)
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AC_TRY_COMPILE([ #include <lua.h> ],
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[ #if (LUA_VERSION_NUM == 502)
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return 0;
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#else
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#error Lua 5.2 not detected
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#endif ],
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[ LUA_VERSION=502 ], [ lua_5_2=0 ]
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)
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if test -z "${LUA_VERSION}" ; then
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# As a last resort, try to find LUA version from $lua_inc_path
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while read -r line
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do
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case "$line" in
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(\#define\ LUA_VERSION_NUM*501*) LUA_VERSION=501 ;;
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(\#define\ LUA_VERSION_NUM*502*) LUA_VERSION=501 ;;
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(\#define\ LUA_VERSION_NUM*503*) LUA_VERSION=503
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esac
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done <"${lua_inc_path}/lua.h"
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AC_MSG_NOTICE([LUA_VERSION is ${LUA_VERSION} found at: ${lua_inc_path}])
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else
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AC_MSG_NOTICE([LUA version from includes: ${LUA_VERSION}])
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fi
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case $LUA_VERSION in
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(501) LUA_CFLAGS="-DWITH_LUA_5_1 ${LUA_CFLAGS}" ; lua_5_1=1 ;;
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(502) LUA_CFLAGS="-DWITH_LUA_5_2 ${LUA_CFLAGS}" ; lua_5_2=1 ;;
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esac
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fi
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]) # AC_DEFUN [CHECK_FOR_LUA_AT]
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