diff options
Diffstat (limited to 'libcurl/libcurl/buildfile')
| -rw-r--r-- | libcurl/libcurl/buildfile | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/libcurl/libcurl/buildfile b/libcurl/libcurl/buildfile index 056ca9f..450bcf9 100644 --- a/libcurl/libcurl/buildfile +++ b/libcurl/libcurl/buildfile @@ -25,8 +25,8 @@ bsd = ($tclass == 'bsd') macos = ($tclass == 'macos') windows = ($tclass == 'windows') -libs{curl}: vsc{libcurl}: include = ($linux || $bsd ? adhoc : false) -libs{curl}: esm{libcurl-symbols}: include = ($macos ? adhoc : false) +libs{curl}: vsc{libcurl}: include = ($linux || $bsd ? adhoc : false) +libs{curl}: esm{libcurl}: include = ($macos ? adhoc : false) vsc{libcurl}: lib/in{libcurl} { @@ -35,6 +35,34 @@ vsc{libcurl}: lib/in{libcurl} CURL_LT_SHLIB_VERSIONED_FLAVOUR = 'OPENSSL_' } +# Generate the exported symbol list file using the interface headers. +# +# Note that upstream auto-generate this file (named as libcurl-symbols.expsym) +# by using the nm utility, dumping symbols from object files and processing +# the output. This, in particular, results in the _curl_jmpenv symbol which +# causes 'cannot export hidden symbol' linker warning. +# +esm{libcurl}: include/curl/h{** -stdcheaders -typecheck-gcc} +{{ + diag sed $> # @@ TMP + + # Examples of the function declarations we need to match: + # + # CURL_EXTERN CURLcode curl_easy_recv(CURL *curl, void *buffer, size_t buflen, + # size_t *n); + # + # CURL_EXTERN const struct curl_easyoption * + # curl_easy_option_by_id (CURLoption id); + # + # Note that we need to avoid matching the function calls in macro expansions + # and mentioning functions in comments. Thus, we disallow the leading + # spaces, unless the leading CURL_EXTERN specifier is also present in the + # line. + # + cat $path($<) | \ + sed -n -e 's/^(\s*CURL_EXTERN\b.+\b)?(curl_\w+)\s*\(.*/_\2/p' >$path($>) +}} + # Build options. # c.poptions += -DBUILDING_LIBCURL -DHAVE_CONFIG_H \ @@ -95,7 +123,7 @@ switch $tclass, $tsys } case 'macos' { - c.loptions += "-Wl,-exported_symbols_list,$src_base/libcurl-symbols.expsym" + c.loptions += "-Wl,-exported_symbols_list,$out_base/libcurl.expsym" # @@ TMP Until erroneous -framework option suppression is fixed in build2. # |