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CMakeLists.txt: Don't require a C++ compiler 

By default, CMake assumes that the project is using both C and C++.  By
explicitly passing 'C' as argument of the project() macro, we tell CMake
that only C is used, which prevents CMake from erroring out if a C++
compiler doesn't exist.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
[Retrieved (and slightly updated by adding enable_language(CXX) if
WITH_ASTYLE is set) from:
https://git.buildroot.net/buildroot/tree/package/openjpeg/0003-CMakeLists.txt-Don-t-require-a-C-compiler.patch]
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
This commit is contained in:
Peter Korsgaard 2021-01-04 09:05:42 +01:00 committed by Fabrice Fontaine
parent 2519439d7d
commit 4d147d9630
2 changed files with 2 additions and 1 deletions
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2
CMakeLists.txt
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@ -24,7 +24,7 @@ endif()
#string(TOLOWER ${OPENJPEG_NAMESPACE} OPENJPEG_LIBRARY_NAME) #string(TOLOWER ${OPENJPEG_NAMESPACE} OPENJPEG_LIBRARY_NAME)
set(OPENJPEG_LIBRARY_NAME openjp2) set(OPENJPEG_LIBRARY_NAME openjp2)
project(${OPENJPEG_NAMESPACE}) project(${OPENJPEG_NAMESPACE} C)
# Do full dependency headers. # Do full dependency headers.
include_regular_expression("^.*$") include_regular_expression("^.*$")

1
thirdparty/CMakeLists.txt vendored
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@ -120,5 +120,6 @@ endif(BUILD_THIRDPARTY)
#------------ #------------
IF (WITH_ASTYLE) IF (WITH_ASTYLE)
enable_language(CXX)
ADD_SUBDIRECTORY(astyle) ADD_SUBDIRECTORY(astyle)
ENDIF(WITH_ASTYLE) ENDIF(WITH_ASTYLE)