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configure: Add require_header() convenience function 

Simplifies checking for external library headers and aborting if
the external library support was requested, but is not available.
This commit is contained in:
Diego Biurrun 2017-01-22 16:04:09 +01:00
parent a97563c889
commit aba7fdcc8b
1 changed files with 11 additions and 4 deletions
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15
configure vendored
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@ -1117,6 +1117,13 @@ require(){
check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
}
require_header(){
log require "$@"
header="$1"
shift
check_header "$header" "$@" || die "ERROR: $header not found"
}
require_pkg_config(){
log require_pkg_config "$@"
pkg_version="$1"
@ -4636,10 +4643,10 @@ for func in $MATH_FUNCS; do
done
# these are off by default, so fail if requested and not available
enabled avisynth && { check_header avisynth/avisynth_c.h || die "ERROR: avisynth/avisynth_c.h header not found"; }
enabled avisynth && require_header avisynth/avisynth_c.h
enabled avxsynth && require avxsynth "avxsynth/avxsynth_c.h dlfcn.h" dlopen -ldl
enabled cuda && require cuda cuda.h cuInit -lcuda
enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
enabled frei0r && require_header frei0r.h
enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
enabled libdc1394 && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
@ -4717,7 +4724,7 @@ enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_co
enabled omx_rpi && { check_header OMX_Core.h ||
{ ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
die "ERROR: OpenMAX IL headers not found"; }
enabled omx && { check_header OMX_Core.h || die "ERROR: OpenMAX IL headers not found"; }
enabled omx && require_header OMX_Core.h
enabled openssl && { { check_pkg_config openssl openssl/ssl.h OPENSSL_init_ssl ||
check_pkg_config openssl openssl/ssl.h SSL_library_init; } && {
add_cflags $openssl_cflags && add_extralibs $openssl_extralibs; } ||
@ -4729,7 +4736,7 @@ enabled openssl && { { check_pkg_config openssl openssl/ssl.h OPENSSL_
enabled gnutls && check_lib gmp gmp.h mpz_export -lgmp
if enabled nvenc; then
check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."
require_header nvEncodeAPI.h
check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||
die "ERROR: NVENC API version 5 or older is not supported"
fi