#!/usr/bin/env sh

# Copyright (c) 2007-2023. The SimGrid Team.
# All rights reserved.

# This program is free software; you can redistribute it and/or modify it
# under the terms of the license (GNU LGPL) which comes with this package.

SIMGRID_VERSION="@SIMGRID_VERSION_STRING@"
SIMGRID_GITHASH="@GIT_VERSION@"

CC=@CMAKE_C_COMPILER@

@SMPITOOLS_SH@

list_set INCLUDEARGS @includeflag@
list_set CMAKE_LINKARGS "-L@libdir@"

# Don't use -Wl,-z-defs with Clang and address sanitizer
if [ "@CMAKE_C_COMPILER_ID@" = "Clang" ] && [ "@HAVE_SANITIZER_ADDRESS@" = "TRUE" ]; then
    LINKER_UNDEFINED_ERROR=""
else
    LINKER_UNDEFINED_ERROR="1"
fi

list_set CFLAGS @SMPI_C_FLAGS@
list_add LINKARGS
if [ "x@APPLE@" = "x1" ]; then
    if [ "x${SMPI_PRETEND_CC}" = "x" ]; then
       list_add CFLAGS "-include" "@includedir@/smpi/smpi_helpers.h"
       list_add LINKARGS "-shared"
    else
       echo "Warning: smpicc pretends to be a regular compiler (SMPI_PRETEND_CC is set). Produced binaries will not be usable in SimGrid."
    fi
    if [ "x${SMPI_NO_UNDEFINED_CHECK}" = "x" ]; then
      list_add LINKARGS "-lsimgrid" "-lm" ${LINKER_UNDEFINED_ERROR:+"-Wl,-undefined,error"}
    fi
else
    if [ "x${SMPI_PRETEND_CC}" = "x" ]; then
       list_add CFLAGS "-include" "@includedir@/smpi/smpi_helpers.h"
       list_add LINKARGS "-shared"
    else
       echo "Warning: smpicc pretends to be a regular compiler (SMPI_PRETEND_CC is set). Produced binaries will not be usable in SimGrid."
    fi
    if [ "x${SMPI_NO_UNDEFINED_CHECK}" = "x" ]; then
      list_add LINKARGS "-lsimgrid" "-lm" ${LINKER_UNDEFINED_ERROR:+"-Wl,-z,defs"}
    fi
fi

list_set CMDARGS
while [ $# -gt 0 ]; do
    ARG="$1"
    shift
    case "${ARG}" in
        -c)
            CMAKE_LINKARGS=""
            LINKARGS=""
            list_add CMDARGS "-c"
            ;;
        *.c)
            SRCFILE="$(readlink -f "${ARG}" 2>/dev/null)"
            if [ -z "$SRCFILE" ] ; then
                SRCFILE="$ARG"
            fi
            list_add CMDARGS "${SRCFILE}"
            ;;
        '-version' | '--version')
            printf '%b\n' "$SIMGRID_VERSION"
            exit 0
            ;;
        "-git-version" | "--git-version")
            printf '%b\n' "$SIMGRID_GITHASH"
            exit 0
            ;;
        '-trace-call-location')
            list_add CMDARGS "-DTRACE_CALL_LOCATION"
            ;;
        '-compiler-version' | '--compiler-version')
            ${CC} --version
            ;;
	'-show'|'-compile-info'|'-link-info')
            # Dry run displaying commands instead of executing them. Useful to cmake
	    show=1
	    ;;
	 *)
            list_add CMDARGS "${ARG}"
            ;;
    esac
done

list_add CMDARGS "-fPIC"

list_set CMDLINE "${CC}"
list_add_not_empty CMDLINE "${CFLAGS}"
list_add_not_empty CMDLINE "${INCLUDEARGS}"
list_add_not_empty CMDLINE "${CMAKE_LINKARGS}"
list_add_not_empty CMDLINE "${CMDARGS}"
list_add_not_empty CMDLINE "${LINKARGS}"

eval "$(list_get CMDLINE)"
if [ "x$VERBOSE" = x1 ] || [ "x$show" = x1 ] ; then
  echo "$@"
  [ "x$show" = x1 ] && exit 0
fi
"$@"