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1 | #ifndef GIT_CURL_COMPAT_H |
2 | #define GIT_CURL_COMPAT_H | |
3 | #include <curl/curl.h> | |
4 | ||
5 | /** | |
6 | * This header centralizes the declaration of our libcurl dependencies | |
7 | * to make it easy to discover the oldest versions we support, and to | |
8 | * inform decisions about removing support for older libcurl in the | |
9 | * future. | |
10 | * | |
11 | * The oldest supported version of curl is documented in the "INSTALL" | |
12 | * document. | |
13 | * | |
14 | * The source of truth for what versions have which symbols is | |
15 | * https://github.com/curl/curl/blob/master/docs/libcurl/symbols-in-versions; | |
16 | * the release dates are taken from curl.git (at | |
17 | * https://github.com/curl/curl/). | |
18 | * | |
19 | * For each X symbol we need from curl we define our own | |
20 | * GIT_CURL_HAVE_X. If multiple similar symbols with the same prefix | |
21 | * were defined in the same version we pick one and check for that name. | |
22 | * | |
23 | * Keep any symbols in date order of when their support was | |
24 | * introduced, oldest first, in the official version of cURL library. | |
25 | */ | |
26 | ||
27 | /** | |
28 | * CURLOPT_TCP_KEEPALIVE was added in 7.25.0, released in March 2012. | |
29 | */ | |
30 | #if LIBCURL_VERSION_NUM >= 0x071900 | |
31 | #define GITCURL_HAVE_CURLOPT_TCP_KEEPALIVE 1 | |
32 | #endif | |
33 | ||
34 | ||
35 | /** | |
36 | * CURLOPT_LOGIN_OPTIONS was added in 7.34.0, released in December | |
37 | * 2013. | |
38 | * | |
39 | * If we start requiring 7.34.0 we might also be able to remove the | |
40 | * code conditional on USE_CURL_FOR_IMAP_SEND in imap-send.c, see | |
41 | * 1e16b255b95 (git-imap-send: use libcurl for implementation, | |
42 | * 2014-11-09) and the check it added for "072200" in the Makefile. | |
43 | ||
44 | */ | |
45 | #if LIBCURL_VERSION_NUM >= 0x072200 | |
46 | #define GIT_CURL_HAVE_CURLOPT_LOGIN_OPTIONS 1 | |
47 | #endif | |
48 | ||
49 | /** | |
50 | * CURL_SSLVERSION_TLSv1_[012] was added in 7.34.0, released in | |
51 | * December 2013. | |
52 | */ | |
53 | #if LIBCURL_VERSION_NUM >= 0x072200 | |
54 | #define GIT_CURL_HAVE_CURL_SSLVERSION_TLSv1_0 | |
55 | #endif | |
56 | ||
57 | /** | |
58 | * CURLOPT_PINNEDPUBLICKEY was added in 7.39.0, released in November | |
59 | * 2014. | |
60 | */ | |
61 | #if LIBCURL_VERSION_NUM >= 0x072c00 | |
62 | #define GIT_CURL_HAVE_CURLOPT_PINNEDPUBLICKEY 1 | |
63 | #endif | |
64 | ||
65 | /** | |
66 | * CURL_HTTP_VERSION_2 was added in 7.43.0, released in June 2015. | |
67 | * | |
68 | * The CURL_HTTP_VERSION_2 alias (but not CURL_HTTP_VERSION_2_0) has | |
69 | * always been a macro, not an enum field (checked on curl version | |
70 | * 7.78.0) | |
71 | */ | |
72 | #if LIBCURL_VERSION_NUM >= 0x072b00 | |
73 | #define GIT_CURL_HAVE_CURL_HTTP_VERSION_2 1 | |
74 | #endif | |
75 | ||
76 | /** | |
77 | * CURLSSLOPT_NO_REVOKE was added in 7.44.0, released in August 2015. | |
78 | * | |
79 | * The CURLSSLOPT_NO_REVOKE is, has always been a macro, not an enum | |
80 | * field (checked on curl version 7.78.0) | |
81 | */ | |
82 | #if LIBCURL_VERSION_NUM >= 0x072c00 | |
83 | #define GIT_CURL_HAVE_CURLSSLOPT_NO_REVOKE 1 | |
84 | #endif | |
85 | ||
86 | /** | |
87 | * CURLOPT_PROXY_CAINFO was added in 7.52.0, released in August 2017. | |
88 | */ | |
89 | #if LIBCURL_VERSION_NUM >= 0x073400 | |
90 | #define GIT_CURL_HAVE_CURLOPT_PROXY_CAINFO 1 | |
91 | #endif | |
92 | ||
93 | /** | |
94 | * CURLOPT_PROXY_{KEYPASSWD,SSLCERT,SSLKEY} was added in 7.52.0, | |
95 | * released in August 2017. | |
96 | */ | |
97 | #if LIBCURL_VERSION_NUM >= 0x073400 | |
98 | #define GIT_CURL_HAVE_CURLOPT_PROXY_KEYPASSWD 1 | |
99 | #endif | |
100 | ||
101 | /** | |
102 | * CURL_SSLVERSION_TLSv1_3 was added in 7.53.0, released in February | |
103 | * 2017. | |
104 | */ | |
105 | #if LIBCURL_VERSION_NUM >= 0x073400 | |
106 | #define GIT_CURL_HAVE_CURL_SSLVERSION_TLSv1_3 1 | |
107 | #endif | |
108 | ||
109 | /** | |
110 | * CURLSSLSET_{NO_BACKENDS,OK,TOO_LATE,UNKNOWN_BACKEND} were added in | |
111 | * 7.56.0, released in September 2017. | |
112 | */ | |
113 | #if LIBCURL_VERSION_NUM >= 0x073800 | |
114 | #define GIT_CURL_HAVE_CURLSSLSET_NO_BACKENDS | |
115 | #endif | |
116 | ||
117 | #endif |