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In order to enable XFA from GN builds we need to be able to override
pdf_enable_xfa. To do this a build_overrides/pdfium.gni file needs to be created
in Chrome. To use that, we have to create a build_overrides/pdfium.gni file
in PDFium that just uses the default values.
BUG=chromium:62400
Review-Url: https://codereview.chromium.org/1923333002
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Chrome has enabled the -Wvarargs warning that was added to clang, this fails
with PDFium XFA builds due to two warnings:
../../xfa/fxfa/fm2js/xfa_lexer.cpp:539:16: error: passing an object that
undergoes default argument promotion to 'va_start' has undefined behavior
[-Werror,-Wvarargs]
va_start(ap, msg);
^
../../xfa/fxfa/fm2js/xfa_lexer.cpp:535:40: note: parameter of type
'XFA_FM_ERRMSG' is declared here
void CXFA_FMLexer::Error(XFA_FM_ERRMSG msg, ...) {
The issue is that XFA_FM_ERRMSG is an enum and we violate the promotion rules
for passing the value to va_start.
I removed the enum and named the flags explicitly then pass in the string as
the argument.
BUG=chromium:606726
Review URL: https://codereview.chromium.org/1921323002
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Without the mac_deployment_target_build_override variable in build.gni
the following error is produced.
ERROR at //build/config/mac/mac_sdk.gni:17:27: Undefined identifier
mac_deployment_target = mac_deployment_target_build_override
^-----------------------------------
Added needed gtest/gtest_mac.* files.
BUG=pdfium:106
Review URL: https://codereview.chromium.org/1907193002
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The issue with //testing/multiprocess_func_list has been fixed in upstream
//build. This Cl upgrades //build to ToT.
In order to do so clang must also be updated. The Wno-undefined-var-template
is only passed if the pinned clang revision isn't 266460, which is the
currently pinned clang revision in chromium. This is there so that the bot
that builds with trunk clang gets this flag, but pinned clang doesn't.
We accidentally pickup the flag since our pinned clang is different from the
Chrome version. So, we must always roll //build and clang together when
changing deps or bad things may happen as there is an implicit dependency
due to compile flags.
BUG=pdfium:106
Review URL: https://codereview.chromium.org/1911483002
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This CL setups up a standalone GN build. You'll need to set gn args similar to:
use_goma = true
clang_use_chrome_plugins = false
pdf_enable_xfa = true
pdf_enable_v8 = true
pdf_is_standalone = true
The third_party/pymock files are needed to make git cl upload work correctly.
BUG=pdfium:106
Review URL: https://codereview.chromium.org/1904563002
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