configure: improve checks for funcs not in stdlib

[m6w6/ext-psi] / m4 / posix / stdlib.m4

diff --git a/m4/posix/stdlib.m4 b/m4/posix/stdlib.m4
index 60a301558726182f2d05fdb1e1565816131692db..f1a0c959ccb35fc062994f848d2b5505b10fe27b 100644 (file)
--- a/m4/posix/stdlib.m4
+++ b/m4/posix/stdlib.m4
@@ -57,11 +57,7 @@ PSI_CHECK_STDLIB() {
        PSI_DECL(char *realpath, [(char *path, char *resolved)])
        PSI_DECL(unsigned short *seed48, [(unsigned short seed16v@<:@3@:>@)])
        PSI_DECL(int setenv, [(char *var, char *val, int overwrite)])
-       
-       AC_SEARCH_LIBS(setkey, crypt, [
-               PSI_DECL(void setkey, [(char *key)])
-       ])
-       
+       PSI_DECL(void setkey, [(char *key)], [], [-lcrypt])
        PSI_DECL(char *setstate, [(char *state)])
        PSI_DECL(void srand, [(unsigned seed)])
        PSI_DECL(void srand48, [(long seed)])