go build github.com/klippa-app/go-pdfium/internal/implementation_cgo:

# pkg-config --cflags -- pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium pdfium

Package pdfium was not found in the pkg-config search path.

Perhaps you should add the directory containing `pdfium.pc'

to the PKG_CONFIG_PATH environment variable

No package 'pdfium' found

Package pdfium was not found in the pkg-config search path.

Perhaps you should add the directory containing `pdfium.pc'

to the PKG_CONFIG_PATH environment variable