[GNUnet-SVN] [gnurl] 60/163: configure: check for declaration of getpwuid_r

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commit 9c33813d835dde214c1a9449f789dd72ab3d9dc3
Author: Bernhard Walle <address@hidden>
AuthorDate: Sun May 27 19:51:04 2018 +0200

    configure: check for declaration of getpwuid_r
    
    On our x86 Android toolchain, getpwuid_r is implemented but the header
    is missing:
    
     netrc.c:81:7: error: implicit declaration of function 'getpwuid_r' 
[-Werror=implicit-function-declaration]
    
    Unfortunately, the function is used in curl_ntlm_wb.c, too, so I moved
    the prototype to curl_setup.h.
    
    Signed-off-by: Bernhard Walle <address@hidden>
    Closes #2609
---
 configure.ac     | 5 +++++
 lib/curl_setup.h | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/configure.ac b/configure.ac
index f5f4e7717..9c4e697de 100755
--- a/configure.ac
+++ b/configure.ac
@@ -3618,6 +3618,11 @@ case $host in
     ;;
 esac
 
+AC_CHECK_DECLS([getpwuid_r], [], [AC_DEFINE(HAVE_DECL_GETPWUID_R_MISSING, 1, 
"Set if getpwuid_r() declaration is missing")],
+        [[#include <pwd.h>
+          #include <sys/types.h>]])
+
+
 AC_CHECK_FUNCS([geteuid \
   getpass_r \
   getppid \
diff --git a/lib/curl_setup.h b/lib/curl_setup.h
index 5593a3b5c..9696a07d0 100644
--- a/lib/curl_setup.h
+++ b/lib/curl_setup.h
@@ -800,4 +800,11 @@ endings either CRLF or LF so 't' is appropriate.
 #define CURL_SA_FAMILY_T unsigned short
 #endif
 
+/* Some versions of the Android SDK is missing the declaration */
+#if defined(HAVE_GETPWUID_R) && defined(HAVE_DECL_GETPWUID_R_MISSING)
+struct passwd;
+int getpwuid_r(uid_t uid, struct passwd *pwd, char *buf,
+               size_t buflen, struct passwd **result);
+#endif
+
 #endif /* HEADER_CURL_SETUP_H */

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