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llext-edk: fix -imacros handling

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The -imacros flag may be given in a number of different variations:
 - with one or two preceding dashes, and
 - separated from its argument, joined by an equals sign, or joined with
   no separator

This patch fixes the handling of the -imacros flag in the LLEXT EDK to
detect all of those options.

Signed-off-by: Luca Burelli <l.burelli@arduino.cc>
This commit is contained in:
Luca Burelli 2025-03-05 11:24:15 +01:00 • committed by Benjamin Cabé
commit b1e3fa4d77
1 changed files with 13 additions and 2 deletions
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15
cmake/llext-edk.cmake
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@ -168,9 +168,20 @@ set(install_dir_var "${llext_edk_name_sane}_INSTALL_DIR")
set(make_relative FALSE)
foreach(flag ${llext_edk_cflags})
if (flag STREQUAL "-imacros")
# Detect all combinations of 'imacros' flag:
# - with one or two preceding dashes
# - separated from the argument, joined by '=', or joined (no separator)
if(flag MATCHES "^--?imacros$")
# imacros followed by a space, convert next argument
set(make_relative TRUE)
elseif (make_relative)
continue()
elseif(flag MATCHES "^--?imacros=?([^=].*)$")
# imacros=<stuff> or imacros<stuff>, immediately convert <stuff>
set(flag ${CMAKE_MATCH_1})
set(make_relative TRUE)
endif()
if(make_relative)
set(make_relative FALSE)
cmake_path(GET flag PARENT_PATH parent)
cmake_path(GET flag FILENAME name)