# GNU makefile proxy script for BSD make
#
# Written and maintained by Mahmoud Al-Qudsi <mqudsi@neosmart.net>
# Copyright NeoSmart Technologies <https://neosmart.net/> 2014-2019
# Obtain updates from <https://github.com/neosmart/gmake-proxy>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

JARG =
GMAKE = "gmake"
# When gmake is called from another make instance, -w is automatically added
# which causes extraneous messages about directory changes to be emitted.
# Running with --no-print-directory silences these messages.
GARGS = "--no-print-directory"

.if "$(.MAKE.JOBS)" != ""
    JARG = -j$(.MAKE.JOBS)
.endif

# bmake prefers out-of-source builds and tries to cd into ./obj (among others)
# where possible. GNU Make doesn't, so override that value.
.OBJDIR: ./

# The GNU convention is to use the lowercased `prefix` variable/macro to
# specify the installation directory. Humor them.
GPREFIX =
.if defined(PREFIX) && ! defined(prefix)
    GPREFIX = 'prefix = "$(PREFIX)"'
.endif

.BEGIN: .SILENT
	which $(GMAKE) || (printf "Error: GNU Make is required!\n\n" 1>&2 && false)

.PHONY: FRC
$(.TARGETS): FRC
	$(GMAKE) $(GPREFIX) $(GARGS) $(.TARGETS:S,.DONE,,) $(JARG)

.DONE .DEFAULT: .SILENT
	$(GMAKE) $(GPREFIX) $(GARGS) $(.TARGETS:S,.DONE,,) $(JARG)
