From c17bf6ad4296761eb8d2489c69254497abba75ba Mon Sep 17 00:00:00 2001
From: Felipe Zimmerle <fcosta@trustwave.com>
Date: Mon, 4 Aug 2014 12:38:23 -0700
Subject: [PATCH] Adds python build script.

Not the final version just to test
---
 build/find_python.m4 | 149 +++++++++++++++++++++++++++++++++++++++++++
 configure.ac         |   1 +
 2 files changed, 150 insertions(+)
 create mode 100644 build/find_python.m4

diff --git a/build/find_python.m4 b/build/find_python.m4
new file mode 100644
index 00000000..5683ff12
--- /dev/null
+++ b/build/find_python.m4
@@ -0,0 +1,149 @@
+dnl Check for PYTHON Libraries
+dnl Sets:
+
+
+AC_DEFUN([CHECK_PYTHON],
+[dnl
+
+AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+
+PYTHON_CONFIG=""
+PYTHON_VERSION=""
+PYTHON_CFLAGS=""
+PYTHON_CPPFLAGS=""
+PYTHON_LDADD=""
+PYTHON_LDFLAGS=""
+PYTHON_CONFIG=${PKG_CONFIG}
+PYTHON_PKGNAMES="python3"
+PYTHON_SONAMES="so la sl dll dylib"
+
+AC_ARG_WITH(
+    python,
+    [AC_HELP_STRING([--with-python=PATH],[Path to Python prefix or config script])]
+    ,, with_python=yes)
+
+AS_CASE(["${with_pythonl}"],
+  [no], [test_paths=],
+  [yes], [test_paths="/usr/local/libpython /usr/local/python /usr/local /opt/libpython /opt/python /opt /usr"],
+  [test_paths="${with_python}"])
+
+AS_IF([test "x${test_paths}" != "x"], [
+AC_MSG_CHECKING([for Python 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 "$x"; then
+        PYTHON_CONFIG=$x
+        break
+    fi
+
+    dnl # Try known config script names/locations
+    for y in $PYTHON_CONFIG; do
+        if test -e "${x}/bin/${y}"; then
+            PYTHON_CONFIG="${x}/bin/${y}"
+            python_config="${PYTHON_CONFIG}"
+            break
+        elif test -e "${x}/${y}"; then
+            PYTHON_CONFIG="${x}/${y}"
+            python_config="${PYTHON_CONFIG}"
+            break
+        fi
+    done
+    if test -n "${python_config}"; then
+        break
+    fi
+done
+
+dnl # Try known package names
+if test -n "${PYTHON_CONFIG}"; then
+    PYTHON_PKGNAME=""
+    for x in ${PYTHON_PKGNAMES}; do
+        if ${PYTHON_CONFIG} --exists ${x}; then
+            PYTHON_PKGNAME="$x"
+            break
+        fi
+    done
+fi
+
+if test -n "${PYTHON_PKGNAME}"; then
+    AC_MSG_RESULT([${PYTHON_CONFIG}])
+    PYTHON_VERSION="`${PYTHON_CONFIG} ${PYTHON_PKGNAME} --modversion`"
+    if test "$verbose_output" -eq 1; then AC_MSG_NOTICE(python VERSION: $PYTHON_VERSION); fi
+    PYTHON_CFLAGS="`${PYTHON_CONFIG} ${PYTHON_PKGNAME} --cflags`"
+    if test "$verbose_output" -eq 1; then AC_MSG_NOTICE(python CFLAGS: $PYTHON_CFLAGS); fi
+    PYTHON_LDADD="`${PYTHON_CONFIG} ${PYTHON_PKGNAME} --libs-only-l`"
+    if test "$verbose_output" -eq 1; then AC_MSG_NOTICE(python LDADD: $PYTHON_LDADD); fi
+    PYTHON_LDFLAGS="`${PYTHON_CONFIG} ${PYTHON_PKGNAME} --libs-only-L --libs-only-other`"
+    if test "$verbose_output" -eq 1; then AC_MSG_NOTICE(python LDFLAGS: $PYTHON_LDFLAGS); fi
+else
+    AC_MSG_RESULT([no])
+
+    dnl Hack to just try to find the lib and include
+    AC_MSG_CHECKING([for python install])
+    for x in ${test_paths}; do
+        for y in ${PYTHON_SONAMES}; do
+           if test -e "${x}/libpython.${y}"; then
+                python_lib_path="${x}/"
+                python_lib_name="python"
+                break
+            else
+                python_lib_path=""
+                python_lib_name=""
+            fi
+        done
+        if test -n "$python_lib_path"; then
+            break
+        fi
+    done
+    for x in ${test_paths}; do
+        if test -e "${x}/include/Python.h"; then
+            python_inc_path="${x}/include"
+            break
+        elif test -e "${x}/Python.h"; then
+            python_inc_path="${x}"
+            break
+        fi
+
+        dnl # Check some sub-paths as well
+        for python_pkg_name in ${python_lib_name} ${PYTHON_PKGNAMES}; do
+            if test -e "${x}/include/${python_pkg_name}/Python.h"; then
+                python_inc_path="${x}/include"
+                break
+            elif test -e "${x}/${python_pkg_name}/Python.h"; then
+                python_inc_path="${x}"
+                break
+            else
+                python_inc_path=""
+            fi
+        done
+        if test -n "$python_inc_path"; then
+            break
+        fi
+    done
+    if test -n "${python_lib_path}" -a -n "${python_inc_path}"; then
+        PYTHON_CONFIG=""
+        AC_MSG_RESULT([${python_lib_path} ${python_inc_path}])
+        PYTHON_VERSION="2"
+        PYTHON_CFLAGS="-I${python_inc_path}"
+        PYTHON_LDADD="-l${python_lib_name}"
+        PYTHON_LDFLAGS="-L${python_lib_path}"
+    else
+        PYTHON_VERSION=""
+        AC_MSG_RESULT([no])
+    fi
+fi
+
+])
+
+PYTHON_LIBS=${PYTHON_LDADD}
+AC_SUBST(PYTHON_CFLAGS)
+AC_SUBST(PYTHON_LDADD)
+AC_SUBST(PYTHON_LIBS)
+AC_SUBST(PYTHON_LDFLAGS)
+    if test -z "${PYTHON_VERSION}"; then
+      ifelse([$2], , AC_MSG_NOTICE([optional python library not found]), $2)
+    else
+      AC_MSG_NOTICE([using python v${PYTHON_VERSION}])
+      PYTHON_CFLAGS="-DWITH_PYTHON ${PYTHON_CFLAGS}"
+      ifelse([$1], , , $1) 
+    fi 
+])
diff --git a/configure.ac b/configure.ac
index 2d7ac1c3..8222b1f1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -701,6 +701,7 @@ fi
 # Check for YAJL libs (for JSON body processor)
 CHECK_YAJL()
 #AC_SEARCH_LIBS([yajl_alloc], [yajl])
+CHECK_PYTHON()
 
 AC_CONFIG_FILES([Makefile])
 AC_CONFIG_FILES([tools/Makefile])