diff options
Diffstat (limited to 'vpp-api/java/m4/ax_prog_java_cc.m4')
| -rw-r--r-- | vpp-api/java/m4/ax_prog_java_cc.m4 | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/vpp-api/java/m4/ax_prog_java_cc.m4 b/vpp-api/java/m4/ax_prog_java_cc.m4 new file mode 100644 index 00000000000..3df064ff663 --- /dev/null +++ b/vpp-api/java/m4/ax_prog_java_cc.m4 @@ -0,0 +1,104 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_prog_java_cc.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_PROG_JAVA_CC +# +# DESCRIPTION +# +# Finds the appropriate java compiler on your path. By preference the java +# compiler is gcj, then jikes then javac. +# +# The macro can take one argument specifying a space separated list of +# java compiler names. +# +# For example: +# +# AX_PROG_JAVA_CC(javac, gcj) +# +# The macro also sets the compiler options variable: JAVA_CC_OPTS to +# something sensible: +# +# - for GCJ it sets it to: @GCJ_OPTS@ +# (if GCJ_OPTS is not yet defined then it is set to "-C") +# +# - no other compiler has applicable options yet +# +# Here's an example configure.in: +# +# AC_INIT(Makefile.in) +# AX_PROG_JAVA_CC() +# AC_OUTPUT(Makefile) +# dnl End. +# +# And here's the start of the Makefile.in: +# +# PROJECT_ROOT := @srcdir@ +# # Tool definitions. +# JAVAC := @JAVA_CC@ +# JAVAC_OPTS := @JAVA_CC_OPTS@ +# JAR_TOOL := @jar_tool@ +# +# LICENSE +# +# Copyright (c) 2008 Nic Ferrier <nferrier@tapsellferrier.co.uk> +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see <http://www.gnu.org/licenses/>. +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 4 + +# AX_PROG_JAVA_CC([COMPILER ...]) +# -------------------------- +# COMPILER ... is a space separated list of java compilers to search for. +# This just gives the user an opportunity to specify an alternative +# search list for the java compiler. +AU_ALIAS([AC_PROG_JAVA_CC], [AX_PROG_JAVA_CC]) +AC_DEFUN([AX_PROG_JAVA_CC], +[AC_ARG_VAR([JAVA_CC], [java compiler command])dnl +AC_ARG_VAR([JAVA_CC_FLAGS], [java compiler flags])dnl +m4_ifval([$1], + [AC_CHECK_TOOLS(JAVA_CC, [$1])], +[AC_CHECK_TOOL(JAVA_CC, gcj) +if test -z "$JAVA_CC"; then + AC_CHECK_TOOL(JAVA_CC, javac) +fi +if test -z "$JAVA_CC"; then + AC_CHECK_TOOL(JAVA_CC, jikes) +fi +]) + +if test "$JAVA_CC" = "gcj"; then + if test "$GCJ_OPTS" = ""; then + AC_SUBST(GCJ_OPTS,-C) + fi + AC_SUBST(JAVA_CC_OPTS, @GCJ_OPTS@, + [Define the compilation options for GCJ]) +fi +test -z "$JAVA_CC" && AC_MSG_ERROR([no acceptable java compiler found in \$PATH]) +])# AX_PROG_JAVA_CC |