printf "Checking for GMime development files... "
have_gmime=0
for gmimepc in gmime-2.6 gmime-2.4; do
- if pkg-config --modversion $gmimepc > /dev/null 2>&1; then
+ if pkg-config --exists $gmimepc; then
printf "Yes ($gmimepc).\n"
have_gmime=1
gmime_cflags=$(pkg-config --cflags $gmimepc)
fi
printf "Checking for talloc development files... "
-if pkg-config --modversion talloc > /dev/null 2>&1; then
+if pkg-config --exists talloc; then
printf "Yes.\n"
have_talloc=1
talloc_cflags=$(pkg-config --cflags talloc)
fi
printf "Checking for valgrind development files... "
-if pkg-config --modversion valgrind > /dev/null 2>&1; then
+if pkg-config --exists valgrind; then
printf "Yes.\n"
have_valgrind=1
valgrind_cflags=$(pkg-config --cflags valgrind)
fi
if [ -z "${EMACSLISPDIR}" ]; then
- if pkg-config --modversion emacs > /dev/null 2>&1; then
+ if pkg-config --exists emacs; then
EMACSLISPDIR=$(pkg-config emacs --variable sitepkglispdir)
else
EMACSLISPDIR='$(prefix)/share/emacs/site-lisp'
linker_resolves_library_dependencies=1
ldconfig_paths=$(/sbin/ldconfig -N -X -v 2>/dev/null | sed -n -e 's,^\(/.*\):\( (.*)\)\?$,\1,p')
for path in $ldconfig_paths; do
- echo "Checking $path compared to $libdir_expanded"
if [ "$path" = "$libdir_expanded" ]; then
libdir_in_ldconfig=1
fi
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
+ printf "Yes.\n"
+ rpath_ldflags="-Wl,--enable-new-dtags -Wl,-rpath,\$(libdir)"
+else
+ printf "No (nothing to worry about).\n"
+ rpath_ldflags=""
+fi
+
+printf "Checking for -Wl,--as-needed... "
+if ${CC} -Wl,--as-needed -o minimal minimal.c >/dev/null 2>&1
+then
+ printf "Yes.\n"
+ as_needed_ldflags="-Wl,--as-needed"
+else
+ printf "No (nothing to worry about).\n"
+ as_needed_ldflags=""
+fi
+
WARN_CXXFLAGS=""
printf "Checking for available C++ compiler warning flags... "
for flag in -Wall -Wextra -Wwrite-strings -Wswitch-enum; do
TALLOC_CFLAGS = ${talloc_cflags}
TALLOC_LDFLAGS = ${talloc_ldflags}
+# Flags needed to have linker set rpath attribute
+RPATH_LDFLAGS = ${rpath_ldflags}
+
+# Flags needed to have linker link only to necessary libraries
+AS_NEEDED_LDFLAGS = ${as_needed_ldflags}
+
# Whether valgrind header files are available
HAVE_VALGRIND = ${have_valgrind}