There is no reason to require a full path to the gpg executable.  We
should be able to leave it as the default.
---
 gmime/gmime-gpg-context.c | 10 +++++-----
 tests/test-pgp.c          |  4 ++--
 tests/test-pgpmime.c      |  4 ++--
 tests/test-smime.c        |  2 +-
 4 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/gmime/gmime-gpg-context.c b/gmime/gmime-gpg-context.c
index 0a05ed2..2ca280a 100644
--- a/gmime/gmime-gpg-context.c
+++ b/gmime/gmime-gpg-context.c
@@ -763,7 +763,7 @@ gpg_ctx_op_start (struct _GpgCtx *gpg)
                }
                
                /* run gpg */
-               execvp (gpg->ctx->path, argv);
+               execvp (gpg->ctx->path ? gpg->ctx->path : "gpg", argv);
                _exit (255);
        } else if (gpg->pid < 0) {
                g_strfreev (strv);
@@ -2190,7 +2190,7 @@ gpg_export_keys (GMimeCryptoContext *context, GPtrArray 
*keys, GMimeStream *ostr
 /**
  * g_mime_gpg_context_new:
  * @request_passwd: a #GMimePasswordRequestFunc
- * @path: path to gpg binary
+ * @path: path to gpg binary, or NULL for the default
  *
  * Creates a new gpg crypto context object.
  *
@@ -2203,10 +2203,10 @@ g_mime_gpg_context_new (GMimePasswordRequestFunc 
request_passwd, const char *pat
        GMimeCryptoContext *crypto;
        GMimeGpgContext *ctx;
        
-       g_return_val_if_fail (path != NULL, NULL);
-       
        ctx = g_object_newv (GMIME_TYPE_GPG_CONTEXT, 0, NULL);
-       ctx->path = g_strdup (path);
+       if (path) {
+               ctx->path = g_strdup (path);
+       }
        
        crypto = (GMimeCryptoContext *) ctx;
        crypto->request_passwd = request_passwd;
diff --git a/tests/test-pgp.c b/tests/test-pgp.c
index bfdae74..3e7a2a4 100644
--- a/tests/test-pgp.c
+++ b/tests/test-pgp.c
@@ -289,7 +289,7 @@ int main (int argc, char **argv)
        if (system ("/bin/mkdir ./tmp") != 0)
                return EXIT_FAILURE;
        setenv ("GNUPGHOME", "./tmp/.gnupg", 1);
-       if (system ("/usr/bin/gpg --list-keys > /dev/null 2>&1") != 0)
+       if (system ("gpg --list-keys > /dev/null 2>&1") != 0)
                return EXIT_FAILURE;
        
        for (i = 1; i < argc; i++) {
@@ -304,7 +304,7 @@ int main (int argc, char **argv)
        
        testsuite_start ("GnuPG crypto context");
        
-       ctx = g_mime_gpg_context_new (request_passwd, "/usr/bin/gpg");
+       ctx = g_mime_gpg_context_new (request_passwd, NULL);
        g_mime_gpg_context_set_always_trust ((GMimeGpgContext *) ctx, TRUE);
        
        testsuite_check ("GMimeGpgContext::import");
diff --git a/tests/test-pgpmime.c b/tests/test-pgpmime.c
index 546df1b..b5a8b21 100644
--- a/tests/test-pgpmime.c
+++ b/tests/test-pgpmime.c
@@ -425,7 +425,7 @@ int main (int argc, char *argv[])
        if (system ("/bin/mkdir ./tmp") != 0)
                return EXIT_FAILURE;
        setenv ("GNUPGHOME", "./tmp/.gnupg", 1);
-       if (system ("/usr/bin/gpg --list-keys > /dev/null 2>&1") != 0)
+       if (system ("gpg --list-keys > /dev/null 2>&1") != 0)
                return EXIT_FAILURE;
        
        for (i = 1; i < argc; i++) {
@@ -440,7 +440,7 @@ int main (int argc, char *argv[])
        
        testsuite_start ("PGP/MIME implementation");
        
-       ctx = g_mime_gpg_context_new (request_passwd, "/usr/bin/gpg");
+       ctx = g_mime_gpg_context_new (request_passwd, NULL);
        g_mime_gpg_context_set_always_trust ((GMimeGpgContext *) ctx, TRUE);
        
        testsuite_check ("GMimeGpgContext::import");
diff --git a/tests/test-smime.c b/tests/test-smime.c
index f4549c7..f05e03a 100644
--- a/tests/test-smime.c
+++ b/tests/test-smime.c
@@ -426,7 +426,7 @@ int main (int argc, char *argv[])
        if (system ("/bin/mkdir ./tmp") != 0)
                return EXIT_FAILURE;
        g_setenv ("GNUPGHOME", "./tmp/.gnupg", 1);
-       if (system ("/usr/bin/gpg --list-keys > /dev/null 2>&1") != 0)
+       if (system ("gpg --list-keys > /dev/null 2>&1") != 0)
                return EXIT_FAILURE;
        
        for (i = 1; i < argc; i++) {
-- 
2.10.2

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