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https://github.com/owasp-modsecurity/ModSecurity.git
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114 lines
3.4 KiB
Plaintext
114 lines
3.4 KiB
Plaintext
dnl Check for PCRE Libraries
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dnl CHECK_PCRE(ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
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dnl Sets:
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dnl PCRE_CFLAGS
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dnl PCRE_LIBS
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PCRE_CONFIG=""
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PCRE_VERSION=""
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PCRE_CPPFLAGS=""
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PCRE_CFLAGS=""
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PCRE_LDFLAGS=""
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PCRE_LDADD=""
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PCRE_LD_PATH=""
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AC_DEFUN([CHECK_PCRE],
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[dnl
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AC_ARG_WITH(
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pcre,
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[AS_HELP_STRING([--with-pcre=PATH],[Path to pcre prefix or config script])],
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[test_paths="${with_pcre}"],
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[test_paths="/usr/local/libpcre /usr/local/pcre /usr/local /opt/libpcre /opt/pcre /opt /usr /opt/local"])
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if test "x${with_pcre2}" != "x" && test "x${with_pcre2}" != "xno"; then
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AC_MSG_NOTICE([pcre2 specified; omitting check for pcre])
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else
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AC_MSG_CHECKING([for libpcre config script])
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for x in ${test_paths}; do
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dnl # Determine if the script was specified and use it directly
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if test ! -d "$x" -a -e "$x"; then
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PCRE_CONFIG=$x
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pcre_path="no"
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break
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fi
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dnl # Try known config script names/locations
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for PCRE_CONFIG in pcre-config; do
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if test -e "${x}/bin/${PCRE_CONFIG}"; then
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pcre_path="${x}/bin"
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break
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elif test -e "${x}/${PCRE_CONFIG}"; then
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pcre_path="${x}"
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break
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else
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pcre_path=""
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fi
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done
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if test -n "$pcre_path"; then
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break
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fi
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done
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if test -n "${pcre_path}"; then
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if test "${pcre_path}" != "no"; then
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PCRE_CONFIG="${pcre_path}/${PCRE_CONFIG}"
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fi
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AC_MSG_RESULT([${PCRE_CONFIG}])
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PCRE_VERSION="`${PCRE_CONFIG} --version`"
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if test ! -z "${PCRE_VERSION}"; then AC_MSG_NOTICE(pcre VERSION: $PCRE_VERSION); fi
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PCRE_CFLAGS="`${PCRE_CONFIG} --cflags`"
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if test ! -z "${PCRE_CFLAGS}"; then AC_MSG_NOTICE(pcre CFLAGS: $PCRE_CFLAGS); fi
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PCRE_LDADD="`${PCRE_CONFIG} --libs`"
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if test ! -z "${PCRE_LDADD}"; then AC_MSG_NOTICE(pcre LDADD: $PCRE_LDADD); fi
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PCRE_LD_PATH="/`${PCRE_CONFIG} --libs | cut -d'/' -f2,3,4,5,6 | cut -d ' ' -f1`"
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if test ! -z "${PCRE_LD_PATH}"; then AC_MSG_NOTICE(pcre PCRE_LD_PATH: $PCRE_LD_PATH); fi
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else
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AC_MSG_RESULT([no])
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fi
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if test -n "${PCRE_VERSION}"; then
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AC_MSG_CHECKING(for PCRE JIT)
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save_CFLAGS=$CFLAGS
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save_LDFLAGS=$LDFLAGS
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save_LIBS=$LIBS
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CFLAGS="${PCRE_CFLAGS} ${CFLAGS}"
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LDFLAGS="${PCRE_LDADD} ${LDFLAGS}"
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LIBS="${PCRE_LDADD} ${LIBS}"
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AC_TRY_LINK([ #include <pcre.h> ],
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[ pcre_jit_exec(NULL, NULL, NULL, 0, 0, 0, NULL, 0, NULL); ],
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[ pcre_jit_available=yes ], [:]
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)
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if test "x$pcre_jit_available" = "xyes"; then
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AC_MSG_RESULT(yes)
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PCRE_CFLAGS="${PCRE_CFLAGS} -DPCRE_HAVE_JIT"
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else
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AC_MSG_RESULT(no)
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fi
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CFLAGS=$save_CFLAGS
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LDFLAGS=$save_LDFLAGS
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LIBS=$save_LIBS
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fi
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AC_SUBST(PCRE_CONFIG)
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AC_SUBST(PCRE_VERSION)
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AC_SUBST(PCRE_CPPFLAGS)
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AC_SUBST(PCRE_CFLAGS)
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AC_SUBST(PCRE_LDFLAGS)
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AC_SUBST(PCRE_LDADD)
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AC_SUBST(PCRE_LD_PATH)
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if test -z "${PCRE_VERSION}"; then
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AC_MSG_NOTICE([*** pcre library not found.])
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ifelse([$2], , AC_MSG_ERROR([pcre library is required]), $2)
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else
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AC_MSG_NOTICE([using pcre v${PCRE_VERSION}])
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ifelse([$1], , , $1)
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PCRE_LDADD="${PCRE_LDADD} -lpcre"
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fi
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fi
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])
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