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dnl -------------------------------------------------------- -*- autoconf -*-
dnl SPDX-License-Identifier: Apache-2.0

dnl
dnl jemalloc.m4: Trafficserver's jemalloc autoconf macros
dnl modified to skip other TS_ helpers
dnl

AC_DEFUN([TS_CHECK_JEMALLOC], [
AC_ARG_WITH([jemalloc-prefix],
  [AS_HELP_STRING([--with-jemalloc-prefix=PREFIX],[Specify the jemalloc prefix [default=""]])],
  [
  jemalloc_prefix="$withval"
  ],[
  if test "`uname -s`" = "Darwin"; then
    jemalloc_prefix="je_"
  else
    jemalloc_prefix=""
  fi
  ]
)
AC_DEFINE_UNQUOTED([prefix_jemalloc], [${jemalloc_prefix}], [jemalloc prefix])

enable_jemalloc=no
AC_ARG_WITH([jemalloc], [AS_HELP_STRING([--with-jemalloc=DIR], [use a specific jemalloc library])],
[
  if test "$withval" != "no"; then
    if test "x${enable_tcmalloc}" = "xyes"; then
      AC_MSG_ERROR([Cannot compile with both jemalloc and tcmalloc])
    fi
    enable_jemalloc=yes
    jemalloc_base_dir="$withval"
    case "$withval" in
      yes)
        jemalloc_base_dir="/usr"
        AC_MSG_CHECKING(checking for jemalloc includes standard directories)
	;;
      *":"*)
        jemalloc_include="`echo $withval |sed -e 's/:.*$//'`"
        jemalloc_ldflags="`echo $withval |sed -e 's/^.*://'`"
        AC_MSG_CHECKING(checking for jemalloc includes in $jemalloc_include libs in $jemalloc_ldflags)
        ;;
      *)
        jemalloc_include="$withval/include"
        jemalloc_ldflags="$withval/lib"
        AC_MSG_CHECKING(checking for jemalloc includes in $withval)
        ;;
    esac
  fi
])

has_jemalloc=0
if test "$enable_jemalloc" != "no"; then
  jemalloc_have_headers=0
  jemalloc_have_libs=0
  if test "$jemalloc_base_dir" != "/usr"; then
    CFLAGS="${CFLAGS} -I${jemalloc_include}"
    LDFLAGS="${LDFLAGS} -L${jemalloc_ldflags}"
    LIBTOOL_LINK_FLAGS="${LIBTOOL_LINK_FLAGS} -R${jemalloc_ldflags}"
  fi
  func="${jemalloc_prefix}malloc_stats_print"
  AC_CHECK_LIB(jemalloc, ${func}, [jemalloc_have_libs=1])
  if test "$jemalloc_have_libs" != "0"; then
    AC_CHECK_HEADERS([jemalloc/jemalloc.h], [jemalloc_have_headers=1])
  fi
  if test "$jemalloc_have_headers" != "0"; then
    has_jemalloc=1
    LIBS="${LIBS} -ljemalloc"
    AC_DEFINE(has_jemalloc, [1], [Link/compile against jemalloc])
  else
    AC_MSG_ERROR([Couldn't find a jemalloc installation])
  fi
fi
AC_SUBST(has_jemalloc)
])