ModSecurity/build/find_pcre2.m4
2022-11-08 08:06:39 -08:00

88 lines
2.4 KiB
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dnl Check for PCRE2 Libraries
dnl CHECK_PCRE2(ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
dnl Sets:
dnl PCRE2_CFLAGS
dnl PCRE2_LIBS
PCRE2_CONFIG=""
PCRE2_VERSION=""
PCRE2_CPPFLAGS=""
PCRE2_CFLAGS=""
PCRE2_LDFLAGS=""
PCRE2_LDADD=""
PCRE_LD_PATH=""
AC_DEFUN([CHECK_PCRE2],
[dnl
AC_ARG_WITH(
pcre2,
[AC_HELP_STRING([--with-pcre2=PATH],[Path to pcre2 prefix or config script])],
, with_pcre2=yes)
AS_CASE(["${with_pcre2}"],
[no], [test_paths=],
[yes], [test_paths="/usr/local/libpcre2 /usr/local/pcre2 /usr/local /opt/libpcre2 /opt/pcre2 /opt /usr"],
[test_paths="${with_pcre2}"])
AC_MSG_CHECKING([for libpcre2 config script])
for x in ${test_paths}; do
dnl # Determine if the script was specified and use it directly
if test ! -d "$x" -a -e "$x"; then
PCRE2_CONFIG=$x
pcre2_path="no"
break
fi
dnl # Try known config script names/locations
for PCRE2_CONFIG in pcre2-config; do
if test -e "${x}/bin/${PCRE2_CONFIG}"; then
pcre2_path="${x}/bin"
break
elif test -e "${x}/${PCRE2_CONFIG}"; then
pcre2_path="${x}"
break
else
pcre2_path=""
fi
done
if test -n "$pcre2_path"; then
break
fi
done
if test -n "${pcre2_path}"; then
if test "${pcre2_path}" != "no"; then
PCRE2_CONFIG="${pcre2_path}/${PCRE2_CONFIG}"
fi
AC_MSG_RESULT([${PCRE2_CONFIG}])
PCRE2_VERSION="`${PCRE2_CONFIG} --version`"
if test "$verbose_output" -eq 1; then AC_MSG_NOTICE(pcre2 VERSION: $PCRE2_VERSION); fi
PCRE2_CFLAGS="`${PCRE2_CONFIG} --cflags`"
if test "$verbose_output" -eq 1; then AC_MSG_NOTICE(pcre2 CFLAGS: $PCRE2_CFLAGS); fi
PCRE2_LDADD="`${PCRE2_CONFIG} --libs8`"
if test "$verbose_output" -eq 1; then AC_MSG_NOTICE(pcre2 LDADD: $PCRE2_LDADD); fi
PCRE_LD_PATH="/`${PCRE2_CONFIG} --libs8 | cut -d'/' -f2,3,4,5,6 | cut -d ' ' -f1`"
if test "$verbose_output" -eq 1; then AC_MSG_NOTICE(pcre2 PCRE_LD_PATH: $PCRE_LD_PATH); fi
else
AC_MSG_RESULT([no])
fi
AC_SUBST(PCRE2_CONFIG)
AC_SUBST(PCRE2_VERSION)
AC_SUBST(PCRE2_CPPFLAGS)
AC_SUBST(PCRE2_CFLAGS)
AC_SUBST(PCRE2_LDFLAGS)
AC_SUBST(PCRE2_LDADD)
AC_SUBST(PCRE_LD_PATH)
if test -z "${PCRE2_VERSION}"; then
AC_MSG_NOTICE([*** pcre2 library not found.])
else
AC_MSG_NOTICE([using pcre2 v${PCRE2_VERSION}])
PCRE2_CFLAGS="-DWITH_PCRE2 ${PCRE2_CFLAGS}"
ifelse([$1], , , $1)
fi
])