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|
. qb/config.comp.sh
TEMP_C=.tmp.c
TEMP_CXX=.tmp.cxx
TEMP_EXE=.tmp
CC="${CC:-}"
CXX="${CXX:-}"
PKG_CONF_PATH="${PKG_CONF_PATH:-}"
WINDRES="${WINDRES:-}"
# Checking for working C compiler
cat << EOF > "$TEMP_C"
#include <stdio.h>
int main(void) { puts("Hai world!"); return 0; }
EOF
# test_compiler:
# Check that the compiler exists in the $PATH and works
# $1 = compiler
# $2 = temporary build file
test_compiler ()
{
compiler=
for comp in $(printf %s "$1"); do
if ! next "$comp"; then
compiler="${compiler} $(exists "${comp}")" ||
return 1
fi
done
$(printf %s "$1") -o "$TEMP_EXE" "$2" >/dev/null 2>&1 || return 1
compiler="${compiler# }"
return 0
}
printf %s 'Checking for suitable working C compiler ... '
cc_works=0
add_opt CC no
if [ "$CC" ]; then
if test_compiler "$CC" "$TEMP_C"; then
cc_works=1
fi
else
for cc in gcc cc clang; do
if test_compiler "${CROSS_COMPILE}${cc}" "$TEMP_C"; then
CC="$compiler"
cc_works=1
break
fi
done
fi
rm -f -- "$TEMP_C" "$TEMP_EXE"
cc_status='does not work'
if [ "$cc_works" = '1' ]; then
cc_status='works'
HAVE_CC='yes'
elif [ -z "$CC" ]; then
cc_status='not found'
fi
printf %s\\n "$CC $cc_status"
if [ "$cc_works" = '0' ] && [ "$USE_LANG_C" = 'yes' ]; then
die 1 'Error: Cannot proceed without a working C compiler.'
fi
# Checking for working C++
cat << EOF > "$TEMP_CXX"
#include <iostream>
int main() { std::cout << "Hai guise" << std::endl; return 0; }
EOF
printf %s 'Checking for suitable working C++ compiler ... '
cxx_works=0
add_opt CXX no
if [ "$CXX" ]; then
if test_compiler "$CXX" "$TEMP_CXX"; then
cxx_works=1
fi
else
for cxx in g++ c++ clang++; do
if test_compiler "${CROSS_COMPILE}${cxx}" "$TEMP_CXX"; then
CXX="$compiler"
cxx_works=1
break
fi
done
fi
rm -f -- "$TEMP_CXX" "$TEMP_EXE"
cxx_status='does not work'
if [ "$cxx_works" = '1' ]; then
cxx_status='works'
HAVE_CXX='yes'
elif [ -z "$CXX" ]; then
cxx_status='not found'
fi
printf %s\\n "$CXX $cxx_status"
if [ "$cxx_works" = '0' ] && [ "$USE_LANG_CXX" = 'yes' ]; then
die : 'Warning: A working C++ compiler was not found, C++ features will be disabled.'
fi
if [ "$OS" = "Win32" ]; then
printf %s 'Checking for windres ... '
WINDRES="${WINDRES:-$(exists "${CROSS_COMPILE}windres" || :)}"
printf %s\\n "${WINDRES:=none}"
if [ "$WINDRES" = none ]; then
die 1 'Error: Cannot proceed without windres.'
fi
fi
printf %s 'Checking for pkg-config ... '
PKG_CONF_PATH="${PKG_CONF_PATH:-$(exists "${CROSS_COMPILE}pkgconf" ||
exists "${CROSS_COMPILE}pkg-config" || :)}"
printf %s\\n "${PKG_CONF_PATH:=none}"
if [ "$PKG_CONF_PATH" = "none" ]; then
die : 'Warning: pkg-config not found, package checks will fail.'
fi
|
