#!/bin/bash

. ./wvtest.sh

create_files() {
    cat > 'test.c' <<'EOF'
#include <stdio.h>

int main()
{
#ifdef NUMBER
        printf("NUMBER is %d\n", NUMBER);
#endif
        return 0;
}
EOF
    cat > 'Makefile.omk' <<'EOF'
bin_PROGRAMS = test
test_SOURCES = test.c
EOF
}

grepbinout() {
    if [ $OMK_RULES = linux ]; then
	# The following should work only with Linux rules
	local bin=$1
	shift
	_compiled/bin/$bin|grep $@
    fi
}
grepout() {
    grepbinout test $@
}

set -o pipefail

WVSTART "OMK_CFLAGS"
create_files
needs_valid_CC
WVPASS make OMK_CFLAGS=-DNUMBER=123
WVPASS grepout 123

WVSTART "CFLAGS override OMK_CFLAGS"
create_files
WVPASS make OMK_CFLAGS=-DNUMBER=123 CFLAGS=-DNUMBER=321
WVPASS grepout 321


WVSTART "OMK_CFLAGS in config.omk"
create_files
echo "OMK_CFLAGS=-DNUMBER=123" > config.omk
WVPASS make
WVPASS grepout 123

WVSTART "Target specific CFLAGS"
create_files
cat > 'Makefile.omk' <<'EOF'
bin_PROGRAMS = test
test_SOURCES = test.c
test_CFLAGS = -DNUMBER=123
EOF
WVPASS make V=1
WVPASS grepout 123

WVSTART "Target specific CFLAGS override OMK_CFLAGS"
create_files
cat > 'Makefile.omk' <<'EOF'
bin_PROGRAMS = test
test_SOURCES = test.c
test_CFLAGS = -DNUMBER=123
OMK_CFLAGS   = -DNUMBER=456
EOF
WVPASS make V=1
WVPASS grepout 123

WVSTART "Same source compiled twice with different CFLAGS"
create_files
cat > 'Makefile.omk' <<'EOF'
bin_PROGRAMS = a b
a_SOURCES = test.c
a_CFLAGS = -DNUMBER=123
b_SOURCES = test.c
b_CFLAGS = -DNUMBER=456
EOF
WVPASS make V=1
WVPASS grepbinout a 123
WVPASS grepbinout b 456