GNU bug report logs - #66507
30.0.50; Cannot build some modules without adding LOCAL_EXPORT_CFLAGS=-isystem ... on Android port.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Po Lu <luangruo <at> yahoo.com>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#66507: closed (30.0.50; Cannot build some modules without
 adding LOCAL_EXPORT_CFLAGS=-isystem ... on Android port.)
Date: Fri, 13 Oct 2023 05:03:01 +0000

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Your message dated Fri, 13 Oct 2023 13:01:58 +0800
with message-id <87ttqv9ku1.fsf <at> yahoo.com>
and subject line Re: bug#66507: 30.0.50; Cannot build some modules without adding LOCAL_EXPORT_CFLAGS=-isystem ... on Android port.
has caused the debbugs.gnu.org bug report #66507,
regarding 30.0.50; Cannot build some modules without adding LOCAL_EXPORT_CFLAGS=-isystem ... on Android port.
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Takesi Ayanokoji <ayanokoji.takesi <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.0.50;
 Cannot build some modules without adding LOCAL_EXPORT_CFLAGS=-isystem
 ... on Android port.
Date: Fri, 13 Oct 2023 06:17:50 +0900

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Hello,

Duaring building Emacs Android port, I encountered some modules that could
not build without specifying system include header file by -isystem.

These modules are

libxml2:
add LOCAL_EXPORT_CFLAGS := -isystem $(LOCAL_PATH)/include
 to its Android.mk.

lbjansson:
add LOCAL_EXPORT_CFLAGS := -isystem $(LOCAL_PATH)/src -I
$(LOCAL_PATH)/android
 to its Android.mk

core/libpackagelistparser:
add LOCAL_EXPORT_CFLAGS := -isystem $(LOCAL_PATH)/../include
(I installed it from core/libpackagelistparser)

Thanks,

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From: Po Lu <luangruo <at> yahoo.com>
To: Takesi Ayanokoji <ayanokoji.takesi <at> gmail.com>
Cc: 66507-done <at> debbugs.gnu.org
Subject: Re: bug#66507: 30.0.50; Cannot build some modules without adding
 LOCAL_EXPORT_CFLAGS=-isystem ... on Android port.
Date: Fri, 13 Oct 2023 13:01:58 +0800

Takesi Ayanokoji <ayanokoji.takesi <at> gmail.com> writes:

> Hello Po- san.
>
> Unfortunately it doesn't seem to be mentioned in the java/INSTALL.

I've now repaired these ommissions; that being said, I opted to
recommend modifications to the Makefiles different from those you
mentioned, for include paths are customarily exported through the
variable LOCAL_EXPROT_C_INCLUDE_DIRS, not variables meant for exporting
CFLAGS.

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