CXX=${CXX:-c++}
CFLAGS=${CFLAGS:--g -O2}
CPPFLAGS=${CPPFLAGS:-}
+CXXFLAGS_for_sh=${CXXFLAGS:-${CFLAGS}}
CXXFLAGS=${CXXFLAGS:-\$(CFLAGS)}
LDFLAGS=${LDFLAGS:-}
XAPIAN_CONFIG=${XAPIAN_CONFIG:-xapian-config}
EOF
errors=0
+printf "int main(void){return 0;}\n" > minimal.c
+
+printf "Sanity checking C compilation environment... "
+if ${CC} ${CFLAGS} ${CPPFLAGS} minimal.c ${LDFLAGS} -o minimal > /dev/null 2>&1
+then
+ printf "OK.\n"
+else
+ printf "Fail.\n"
+ errors=$((errors + 1))
+fi
+
+printf "Sanity checking C++ compilation environment... "
+if ${CXX} ${CXXFLAGS_for_sh} ${CPPFLAGS} minimal.c ${LDFLAGS} -o minimal > /dev/null 2>&1
+then
+ printf "OK.\n"
+else
+ printf "Fail.\n"
+ errors=$((errors + 1))
+fi
+
+if [ $errors -gt 0 ]; then
+ cat <<EOF
+*** Error: Initial sanity checking of environment failed. Please try
+running configure in a clean environment, and if the problem persists,
+report a bug.
+EOF
+ rm -f minimal minimal.c
+ exit 1
+fi
if pkg-config --version > /dev/null 2>&1; then
have_pkg_config=1
have_python=0
for name in python python2 python3; do
- if command -v $name > /dev/null 2>&1; then
+ if command -v $name > /dev/null; then
have_python=1
python=$name
printf "Yes ($name).\n"
fi
printf "Checking if doxygen is available... "
-if command -v doxygen > /dev/null 2>&1; then
+if command -v doxygen > /dev/null; then
printf "Yes.\n"
have_doxygen=1
else
fi
printf "Checking if sphinx is available and supports nroff output... "
-if hash sphinx-build > /dev/null 2>&1 && ${python} -m sphinx.writers.manpage > /dev/null 2>&1 ; then
+if command -v sphinx-build > /dev/null && ${python} -m sphinx.writers.manpage > /dev/null 2>&1 ; then
printf "Yes.\n"
have_sphinx=1
else
fi
rm -f compat/check_asctime
-printf "int main(void){return 0;}\n" > minimal.c
-
printf "Checking for rpath support... "
if ${CC} -Wl,--enable-new-dtags -Wl,-rpath,/tmp/ -o minimal minimal.c >/dev/null 2>&1
then