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Fix OMEMO autodetection in autotools

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This commit fixes few issues related to OMEMO autodetection:

1. Absence of libsignal-protocol-c doesn't turn OMEMO off, just prints a
   notice message. It should (a) set BUILD_OMEMO=false and (b) terminate
   with an error on --enable-omemo=yes.
2. Check for gcrypt continues even if libsignal-protocol-c fails. In this
   case, LIBS variable can be updated with unneeded -lgcrypt.
3. Similarly to item 2., if libsignal-protocol-c is present, but gcrypt
   isn't, variable LIBS is updated with unneeded library.

To resolve the above issues, use intermediate variable OMEMO_LIBS to
accumulate required libraries and set BUILD_OMEMO only when all checks
are passed.
This commit is contained in:
Dmitry Podgorny 2023-07-11 03:15:18 +03:00
parent bbd28ef946
commit 4a8d14c5a6
1 changed files with 11 additions and 10 deletions
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21
configure.ac
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@ -323,19 +323,20 @@ AS_IF([test "x$enable_gdk_pixbuf" != xno],
dnl feature: omemo
AM_CONDITIONAL([BUILD_OMEMO], [false])
if test "x$enable_omemo" != xno; then
AM_CONDITIONAL([BUILD_OMEMO], [true])
OMEMO_LIBS=""
PKG_CHECK_MODULES([libsignal], [libsignal-protocol-c >= 2.3.2],
[LIBS="-lsignal-protocol-c $LIBS"],
[OMEMO_LIBS="-lsignal-protocol-c"
AC_CHECK_LIB([gcrypt], [gcry_md_extract],
[OMEMO_LIBS="-lgcrypt $OMEMO_LIBS"
AM_CONDITIONAL([BUILD_OMEMO], [true])],
[AC_MSG_NOTICE([gcrypt >= 1.7.0 not found, OMEMO support not enabled])])],
[AC_MSG_NOTICE([libsignal-protocol-c >= 2.3.2 not found, OMEMO support not enabled])])
AC_CHECK_LIB([gcrypt], [gcry_md_extract],
[LIBS="-lgcrypt $LIBS"],
[AM_CONDITIONAL([BUILD_OMEMO], [false])
AS_IF([test "x$enable_omemo" = xyes],
[AC_MSG_ERROR([gcrypt >= 1.7.0 is required for OMEMO support])],
[AC_MSG_NOTICE([gcrypt >= 1.7.0 not found, OMEMO support not enabled])])])
AM_COND_IF([BUILD_OMEMO], [AC_DEFINE([HAVE_OMEMO], [1], [Have OMEMO])])
AM_COND_IF([BUILD_OMEMO],
[AC_DEFINE([HAVE_OMEMO], [1], [Have OMEMO])
LIBS="$OMEMO_LIBS $LIBS"],
[AS_IF([test "x$enable_omemo" = xyes],
[AC_MSG_ERROR([OMEMO support requires a library which is missed])])])
fi
dnl feature: themes