There is no pdfium.dll after building

[nübee]

I'm learning to build pdfium project. Following the instructions I get 57 dlls in my out\ directory. However I cannot find the pdfium.dll which is supposed to contain functions like FPDFAvail_GetDocument(), FPDFBitmap_GetBuffer() etc.

Could anyone of you share your successful experience with building pdfium library?

[Dan Sinclair]

How did you build pdfium? What options did you use in your gn args? Did you set complete_static_lib=true in the gn args?

dan

On Wed, Mar 21, 2018 at 1:02 PM nübee <jun.n...@gmail.com> wrote:

I'm learning to build pdfium project. Following the instructions I get 57 dlls in my out\ directory. However I cannot find the pdfium.dll which is supposed to contain functions like FPDFAvail_GetDocument(), FPDFBitmap_GetBuffer() etc.

Could anyone of you share your successful experience with building pdfium library?

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[Ryan Wiley]

pdfium compiles as a static library (.lib) not a shared library (.dll). See https://bugs.chromium.org/p/pdfium/issues/detail?id=826

[nübee]

I'm building the library on windows7 with help of visual studio 2017 community. According to the instructions I have simply given the following three commands:
1. gn gen out/mytestbuild
2. devenv out\mytestbuild\all.sln
3. ninja -C out\mytestbuild pdfium


Then there are errors during compilation:

In file included from ../../testing/image_diff/image_diff_png.cpp:12:
../..\testing/image_diff/image_diff_png.h(8,10):  fatal error: 'stdlib.h' file n
ot found

How could I improve my ninja files?

[nübee]

I'm neubee with this project. Could you check my commands, and give any suggestions?

[Dan Sinclair]

It looks like your windows environment isn't setup correctly. The build can't find the standard headers? I'd suggest following the instructions in https://pdfium.googlesource.com/pdfium/+/master/README.md on how to build pdfium.

dan

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[nübee]

I have followed the instruction. After running the command "ninja -C out\mytestbuild pdfium", I run into another error:

ninja: Entering directory `out\mytestbuild'
[1/1] Regenerating ninja files
FAILED: build.ninja
../../../../../../../../../../../pdfiumpath/buildtools/win/gn.exe --root=../.. -q --complete_static_li
b=true --ide=vs gen .
ERROR
ninja: error: rebuilding 'build.ninja': subcommand failed

Why does it rebuild the project? I've googled awhile, but have not found a solution.

[Dan Sinclair]

Ninja will always regenerate the project files if needed. It does nothing if there are no changes. But, if you modify your gn args, you want ninja to regenerate the files for you otherwise it may build the wrong thing. I'm not sure why it failed in your case, I don't see an actual error message?

dan

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